@import "https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600;700&display=swap";:root{--bg-main:#faf9f6;--bg-subtle:#f3efe6;--surface-card:#fff;--surface-hover:#fdfcf7;--text-primary:#1c1e23;--text-secondary:#525b6c;--text-muted:#8e98a8;--border-light:#e8e3d9;--border-focus:#cdc4b4;--coral-bg:#fff0eb;--coral-border:#fdd7cc;--coral-text:#e05330;--coral-accent:#ff7043;--blue-bg:#eff6ff;--blue-border:#dbeafe;--blue-text:#1d4ed8;--blue-accent:#3b82f6;--purple-bg:#f5f3ff;--purple-border:#ede9fe;--purple-text:#6d28d9;--purple-accent:#8b5cf6;--amber-bg:#fffbeb;--amber-border:#fde68a;--amber-text:#b45309;--amber-accent:#f59e0b;--teal-bg:#ecfdf5;--teal-border:#a7f3d0;--teal-text:#047857;--teal-accent:#10b981;--rose-bg:#fff1f2;--rose-border:#fecdd3;--rose-text:#be123c;--rose-accent:#f43f5e;--mint-bg:#f0fdf4;--mint-border:#bbf7d0;--mint-text:#15803d;--peach-bg:#fff7ed;--peach-border:#fed7aa;--peach-text:#c2410c;--shadow-subtle:0 2px 8px #1c1e230a, 0 1px 2px #1c1e2305;--shadow-card:0 4px 16px -2px #1c1e230f, 0 2px 6px -1px #1c1e2308;--shadow-card-hover:0 14px 32px -4px #1c1e2317, 0 4px 12px -2px #1c1e230a;--shadow-popover:0 20px 40px -8px #1c1e2324;--radius-sm:10px;--radius-md:16px;--radius-lg:22px;--radius-xl:28px;--radius-pill:9999px;--font-sans:"Plus Jakarta Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono:"JetBrains Mono", monospace;--transition-smooth:all .22s cubic-bezier(.16, 1, .3, 1);--transition-bounce:all .35s cubic-bezier(.34, 1.56, .64, 1)}.dark-theme{--bg-main:#0b0f17;--bg-subtle:#131a26;--surface-card:#161f2e;--surface-hover:#1d283a;--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-muted:#64748b;--border-light:#232f42;--border-focus:#38bdf8;--coral-bg:#ef444426;--coral-border:#ef44444d;--coral-text:#f87171;--blue-bg:#3b82f626;--blue-border:#3b82f64d;--blue-text:#60a5fa;--purple-bg:#8b5cf626;--purple-border:#8b5cf64d;--purple-text:#a78bfa;--amber-bg:#f59e0b26;--amber-border:#f59e0b4d;--amber-text:#fbbf24;--teal-bg:#10b98126;--teal-border:#10b9814d;--teal-text:#34d399}*{box-sizing:border-box;margin:0;padding:0}html,body{background-color:var(--bg-main);min-height:100%;color:var(--text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.55}.app-container{background:var(--bg-main);flex-direction:column;min-height:100vh;display:flex}.main-content{flex:1;width:100%;max-width:1280px;margin:0 auto;padding:24px 28px 60px}.hand-drawn-badge{border-radius:var(--radius-pill);letter-spacing:.02em;text-transform:uppercase;align-items:center;gap:6px;padding:4px 12px;font-size:.8rem;font-weight:700;display:inline-flex}.marker-highlight{z-index:1;display:inline-block;position:relative}.marker-highlight:after{content:"";z-index:-1;opacity:.85;background-color:#fef08a;border-radius:4px;height:38%;position:absolute;bottom:2px;left:-4px;right:-4px;transform:rotate(-1deg)}.marker-highlight-coral:after{background-color:#ffd2c6}.marker-highlight-blue:after{background-color:#bfdbfe}.marker-highlight-purple:after{background-color:#e9d5ff}.marker-highlight-teal:after{background-color:#a7f3d0}.marker-highlight-emerald:after{background-color:#bbf7d0}.marker-underline{display:inline-block;position:relative}.marker-underline:after{content:"";opacity:.35;background:currentColor;border-radius:4px;width:100%;height:4px;position:absolute;bottom:-4px;left:0}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-main)}::-webkit-scrollbar-thumb{background:#d8d2c6;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#bdb6a8}.btn-primary{color:#fff;border-radius:var(--radius-pill);cursor:pointer;transition:var(--transition-smooth);background:#1c1e23;border:1px solid #1c1e23;justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-size:.92rem;font-weight:700;text-decoration:none;display:inline-flex}.btn-primary:hover{background:#2d313a;transform:translateY(-1px);box-shadow:0 4px 14px #00000026}.btn-secondary{background:var(--surface-card);color:var(--text-primary);border-radius:var(--radius-pill);border:1px solid var(--border-light);cursor:pointer;transition:var(--transition-smooth);justify-content:center;align-items:center;gap:8px;padding:10px 18px;font-size:.92rem;font-weight:700;text-decoration:none;display:inline-flex}.btn-secondary:hover{background:var(--bg-subtle);border-color:var(--border-focus);color:var(--text-primary);transform:translateY(-1px)}.action-btn{background:var(--surface-card);border:1px solid var(--border-light);color:var(--text-secondary);border-radius:var(--radius-pill);cursor:pointer;transition:var(--transition-smooth);box-shadow:var(--shadow-subtle);align-items:center;gap:6px;padding:6px 14px;font-size:.82rem;font-weight:600;display:inline-flex}.action-btn:hover{background:var(--bg-subtle);color:var(--text-primary);border-color:var(--border-focus);transform:translateY(-1px)}.must-know-card{background:var(--teal-bg);border:1.5px solid var(--teal-border);border-radius:var(--radius-md);color:var(--text-primary);align-items:flex-start;gap:12px;padding:16px 20px;font-size:.9rem;display:flex}.must-know-card .icon-col{color:var(--teal-text);margin-top:2px}.trap-card{background:var(--rose-bg);border:1.5px solid var(--rose-border);border-radius:var(--radius-md);color:var(--text-primary);align-items:flex-start;gap:12px;padding:16px 20px;font-size:.9rem;display:flex}.trap-card .icon-col{color:var(--rose-text);margin-top:2px}.shortcut-method-card{background:var(--amber-bg);border:1.5px solid var(--amber-border);border-radius:var(--radius-md);color:var(--text-primary);align-items:flex-start;gap:12px;padding:16px 20px;font-size:.9rem;display:flex}.shortcut-method-card .icon-col{color:var(--amber-text);margin-top:2px}@media (width<=1024px){.main-content{padding:20px 20px 48px}}@media (width<=640px){.main-content{padding:16px 14px 40px}}.app-header{z-index:1000;-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border-light);transition:var(--transition-smooth);background:#faf9f6f0;position:sticky;top:0}.header-inner{flex-wrap:nowrap;justify-content:space-between;align-items:center;gap:16px;max-width:1400px;margin:0 auto;padding:10px 24px;display:flex}.header-logo-group{cursor:pointer;-webkit-user-select:none;user-select:none;flex-shrink:0;align-items:center;gap:10px;display:flex}.logo-icon-box{border-radius:var(--radius-sm);color:#fff;width:34px;height:34px;transition:var(--transition-smooth);background:#1c1e23;justify-content:center;align-items:center;display:flex;box-shadow:0 2px 6px #00000026}.header-logo-group:hover .logo-icon-box{background:var(--blue-accent);transform:scale(1.05)}.logo-text-group{flex-direction:column;display:flex}.logo-brand{letter-spacing:-.02em;color:var(--text-primary);white-space:nowrap;font-size:1.12rem;font-weight:800;line-height:1.1}.logo-sub{text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);white-space:nowrap;font-size:.68rem;font-weight:700}.desktop-nav{background:var(--surface-card);border-radius:var(--radius-pill);border:1px solid var(--border-light);box-shadow:var(--shadow-subtle);white-space:nowrap;flex-wrap:nowrap;align-items:center;gap:2px;padding:4px 6px;display:flex}.nav-link-btn{border-radius:var(--radius-pill);color:var(--text-secondary);cursor:pointer;transition:var(--transition-smooth);white-space:nowrap;-webkit-user-select:none;user-select:none;background:0 0;border:none;align-items:center;gap:6px;padding:6px 12px;font-family:inherit;font-size:.84rem;font-weight:600;display:inline-flex}.nav-link-btn:hover{color:var(--text-primary);background:var(--bg-subtle)}.nav-link-btn.active{color:#fff;background:#1c1e23}.nav-icon{flex-shrink:0}.nav-dropdown-wrapper{position:relative}.nav-dropdown-btn{align-items:center;gap:4px;display:inline-flex}.dropdown-chevron{transition:transform .2s}.dropdown-chevron.open{transform:rotate(180deg)}.nav-dropdown-menu{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-md);box-shadow:var(--shadow-popover);z-index:1001;flex-direction:column;gap:2px;min-width:200px;padding:6px;animation:.15s ease-out fadeIn;display:flex;position:absolute;top:calc(100% + 8px);right:0}@keyframes fadeIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.dropdown-item-btn{border-radius:var(--radius-sm);color:var(--text-primary);cursor:pointer;transition:var(--transition-smooth);text-align:left;white-space:nowrap;background:0 0;border:none;align-items:center;gap:10px;padding:8px 12px;font-family:inherit;font-size:.85rem;font-weight:600;display:flex}.dropdown-item-btn:hover{background:var(--bg-subtle);color:var(--blue-text)}.dropdown-item-btn.active{color:#fff;background:#1c1e23}.header-right-actions{flex-shrink:0;align-items:center;gap:8px;display:flex}.search-trigger-btn{border-radius:var(--radius-pill);border:1px solid var(--border-light);background:var(--surface-card);color:var(--text-secondary);cursor:pointer;transition:var(--transition-smooth);white-space:nowrap;align-items:center;gap:8px;padding:6px 12px;font-family:inherit;font-size:.82rem;display:inline-flex}.search-trigger-btn:hover{border-color:var(--border-focus);background:var(--surface-hover);color:var(--text-primary)}.search-kbd{font-family:var(--font-mono);background:var(--bg-subtle);border:1px solid var(--border-light);color:var(--text-muted);border-radius:4px;padding:1px 5px;font-size:.68rem}.theme-toggle-btn{border-radius:var(--radius-pill);border:1px solid var(--border-light);background:var(--surface-card);width:32px;height:32px;color:var(--text-secondary);cursor:pointer;transition:var(--transition-smooth);justify-content:center;align-items:center;display:inline-flex}.theme-toggle-btn:hover{background:var(--bg-subtle);color:var(--text-primary)}.bookmarks-pill-btn{border-radius:var(--radius-pill);background:var(--amber-bg);border:1px solid var(--amber-border);color:var(--amber-text);cursor:pointer;transition:var(--transition-smooth);align-items:center;gap:4px;padding:5px 10px;font-size:.8rem;font-weight:700;display:inline-flex}.bookmarks-pill-btn:hover{background:#feebc8;transform:translateY(-1px)}.mobile-menu-toggle{color:var(--text-primary);cursor:pointer;background:0 0;border:none;padding:6px;display:none}.mobile-nav-drawer{background:var(--surface-card);border-bottom:1px solid var(--border-light);max-height:80vh;padding:16px 20px 24px;animation:.2s ease-out slideDown;display:none;overflow-y:auto}@keyframes slideDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.mobile-drawer-header{text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);justify-content:space-between;align-items:center;margin-bottom:10px;font-size:.78rem;font-weight:800;display:flex}.mobile-section-label{text-transform:uppercase;color:var(--text-muted);letter-spacing:.05em;margin:8px 0 4px;font-size:.72rem;font-weight:700;display:block}.mobile-nav-list{flex-direction:column;gap:4px;display:flex}.mobile-nav-btn{border-radius:var(--radius-md);background:var(--bg-main);color:var(--text-primary);cursor:pointer;transition:var(--transition-smooth);border:1px solid #0000;justify-content:space-between;align-items:center;padding:10px 14px;font-size:.92rem;font-weight:600;display:flex}.mobile-nav-btn.active{color:#fff;background:#1c1e23}.mobile-nav-btn-left{align-items:center;gap:10px;display:flex}.active-dot{background:#38bdf8;border-radius:50%;width:6px;height:6px}@media (width<=1140px){.desktop-nav{display:none}.mobile-menu-toggle{justify-content:center;align-items:center;display:flex}.mobile-nav-drawer{display:block}.search-placeholder-text,.search-kbd{display:none}}@media (width<=640px){.header-inner{padding:10px 16px}.logo-sub{display:none}}.vault-footer{background:var(--surface-card);border-top:1px solid var(--border-light);margin-top:60px;padding:56px 28px 36px}.footer-inner{flex-direction:column;gap:40px;max-width:1320px;margin:0 auto;display:flex}.footer-top-grid{grid-template-columns:2fr 1.2fr 1.2fr 1.2fr;gap:36px;display:grid}.footer-brand-col{flex-direction:column;gap:16px;max-width:380px;display:flex}.footer-logo-row{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:12px;display:flex}.footer-icon-box{border-radius:var(--radius-sm);color:#fff;background:#1c1e23;justify-content:center;align-items:center;width:38px;height:38px;display:flex}.footer-brand-title{letter-spacing:-.02em;color:var(--text-primary);font-size:1.25rem;font-weight:800;line-height:1.15;display:block}.footer-brand-tagline{text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);font-size:.76rem;font-weight:700}.footer-desc{color:var(--text-secondary);font-size:.88rem;line-height:1.6}.footer-links-col{flex-direction:column;gap:14px;display:flex}.footer-heading{text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);font-size:.8rem;font-weight:800}.footer-nav-list{flex-direction:column;gap:10px;list-style:none;display:flex}.footer-nav-list li button{color:var(--text-secondary);cursor:pointer;text-align:left;transition:var(--transition-smooth);background:0 0;border:none;padding:0;font-family:inherit;font-size:.88rem}.footer-nav-list li button:hover{color:var(--text-primary);transform:translate(3px)}.footer-badge-list{flex-direction:column;gap:10px;display:flex}.footer-badge-item{border-radius:var(--radius-pill);background:var(--bg-main);border:1px solid var(--border-light);color:var(--text-secondary);align-items:center;gap:8px;width:fit-content;padding:6px 12px;font-size:.8rem;font-weight:600;display:inline-flex}.footer-bottom-row{border-top:1px solid var(--border-light);color:var(--text-muted);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;padding-top:24px;font-size:.84rem;display:flex}.footer-build-tag{color:var(--blue-text);background:var(--blue-bg);border-radius:var(--radius-pill);border:1px solid var(--blue-border);padding:4px 12px;font-size:.78rem;font-weight:700}@media (width<=1024px){.footer-top-grid{grid-template-columns:1fr 1fr;gap:32px}}@media (width<=640px){.vault-footer{padding:40px 20px 28px}.footer-top-grid{grid-template-columns:1fr;gap:28px}}.search-modal-backdrop{-webkit-backdrop-filter:blur(6px);z-index:999;background:#1c1e2373;justify-content:center;align-items:flex-start;padding:80px 20px 20px;animation:.2s ease-out modalFadeIn;display:flex;position:fixed;inset:0}@keyframes modalFadeIn{0%{opacity:0}to{opacity:1}}.search-modal-container{background:var(--surface-card);border-radius:var(--radius-xl);border:1px solid var(--border-light);box-shadow:var(--shadow-popover);flex-direction:column;width:100%;max-width:680px;max-height:80vh;animation:.2s cubic-bezier(.16,1,.3,1) modalScaleUp;display:flex;overflow:hidden}@keyframes modalScaleUp{0%{transform:scale(.96)translateY(-10px)}to{transform:scale(1)translateY(0)}}.search-modal-input-row{border-bottom:1px solid var(--border-light);align-items:center;gap:12px;padding:16px 20px;display:flex}.search-input-icon{color:var(--coral-text);flex-shrink:0}.search-modal-input{color:var(--text-primary);background:0 0;border:none;outline:none;flex:1;font-family:inherit;font-size:1.05rem}.search-modal-input::placeholder{color:var(--text-muted)}.search-modal-close-btn{background:var(--bg-subtle);width:30px;height:30px;color:var(--text-secondary);cursor:pointer;transition:var(--transition-smooth);border:none;border-radius:50%;justify-content:center;align-items:center;display:flex}.search-modal-close-btn:hover{color:var(--text-primary);background:#e4dfd5}.search-modal-results{flex-direction:column;gap:20px;padding:16px 20px;display:flex;overflow-y:auto}.search-section-heading{text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);align-items:center;gap:6px;margin-bottom:8px;font-size:.76rem;font-weight:700;display:inline-flex}.search-quick-subjects{border-bottom:1px solid var(--border-light);flex-direction:column;gap:6px;padding-bottom:12px;display:flex}.quick-subject-pills{flex-wrap:wrap;gap:6px;display:flex}.quick-subject-pills button{background:var(--bg-subtle);border:1px solid var(--border-light);border-radius:var(--radius-pill);color:var(--text-primary);cursor:pointer;transition:var(--transition-smooth);padding:5px 12px;font-family:inherit;font-size:.82rem;font-weight:600}.quick-subject-pills button:hover{background:var(--coral-bg);border-color:var(--coral-border);color:var(--coral-text)}.search-items-list{flex-direction:column;gap:8px;display:flex}.search-item-card{border-radius:var(--radius-md);background:var(--bg-main);cursor:pointer;transition:var(--transition-smooth);border:1px solid #0000;justify-content:space-between;align-items:center;gap:12px;padding:10px 14px;display:flex}.search-item-card:hover{background:var(--surface-card);border-color:var(--border-focus);box-shadow:var(--shadow-subtle);transform:translate(3px)}.search-item-left{flex-direction:column;gap:2px;display:flex}.search-item-title-row{align-items:center;gap:8px;display:flex}.search-item-title{color:var(--text-primary);font-size:.95rem;font-weight:700}.search-badge{background:var(--coral-bg);color:var(--coral-text);border-radius:var(--radius-sm);padding:2px 6px;font-size:.7rem;font-weight:600}.search-item-sub{color:var(--text-secondary);-webkit-line-clamp:1;-webkit-box-orient:vertical;font-size:.82rem;display:-webkit-box;overflow:hidden}.search-item-arrow{color:var(--text-muted);flex-shrink:0}.search-modal-footer{background:var(--bg-main);border-top:1px solid var(--border-light);color:var(--text-muted);justify-content:space-between;align-items:center;padding:12px 20px;font-size:.78rem;display:flex}.search-modal-footer kbd{background:var(--surface-card);border:1px solid var(--border-light);font-family:var(--font-mono);border-radius:3px;padding:1px 4px}.progress-bar-wrapper{align-items:center;gap:10px;width:100%;display:flex}.progress-track{border-radius:var(--radius-pill);background-color:#efece6;flex:1;position:relative;overflow:hidden}.progress-fill{border-radius:var(--radius-pill);height:100%;transition:width .6s cubic-bezier(.16,1,.3,1)}.progress-fill-coral{background:linear-gradient(90deg,#ff7e5f 0%,#e25a38 100%)}.progress-fill-blue{background:linear-gradient(90deg,#60a5fa 0%,#2563eb 100%)}.progress-fill-purple{background:linear-gradient(90deg,#a78bfa 0%,#7c3aed 100%)}.progress-fill-amber{background:linear-gradient(90deg,#fbbf24 0%,#d97706 100%)}.progress-fill-teal{background:linear-gradient(90deg,#2dd4bf 0%,#0d9488 100%)}.progress-fill-emerald{background:linear-gradient(90deg,#34d399 0%,#059669 100%)}.progress-label-text{color:var(--text-secondary);text-align:right;min-width:32px;font-size:.85rem;font-weight:700}.progress-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);flex-direction:column;gap:20px;padding:26px;display:flex}.progress-card-header{justify-content:space-between;align-items:center;gap:16px;display:flex}.progress-header-title-wrap{align-items:center;gap:14px;display:flex}.progress-icon-badge{background-color:var(--teal-bg);width:42px;height:42px;color:var(--teal-text);border-radius:var(--radius-md);flex-shrink:0;justify-content:center;align-items:center;display:flex}.progress-card-title{color:var(--text-primary);font-size:1.25rem;font-weight:800}.progress-card-subtitle{color:var(--text-secondary);font-size:.85rem}.overall-score-pill{color:#fff;border-radius:var(--radius-pill);background:#1c1e23;align-items:baseline;gap:6px;padding:6px 16px;display:flex}.score-num{font-size:1.2rem;font-weight:800}.score-lbl{text-transform:uppercase;color:#a0aec0;letter-spacing:.04em;font-size:.74rem}.modules-progress-grid{background:var(--bg-main);border-radius:var(--radius-lg);flex-direction:column;gap:14px;padding:18px 20px;display:flex}.module-stat-row{grid-template-columns:200px 1fr;align-items:center;gap:20px;display:grid}@media (width<=640px){.module-stat-row{grid-template-columns:1fr;gap:6px}}.stat-label-group{flex-direction:column;display:flex}.stat-name{color:var(--text-primary);font-size:.88rem;font-weight:700}.stat-sub{color:var(--text-muted);font-size:.75rem}.progress-card-footer{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;padding-top:8px;display:flex}.focus-recommendation{color:var(--text-secondary);align-items:center;gap:8px;max-width:600px;font-size:.84rem;display:flex}.focus-sparkle-icon{color:#e25a38;flex-shrink:0}.start-today-btn{padding:9px 18px}.study-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);transition:var(--transition-smooth);cursor:pointer;flex-direction:column;justify-content:space-between;padding:24px;display:flex;position:relative;overflow:hidden}.study-card:hover{box-shadow:var(--shadow-card-hover);border-color:var(--card-accent-color);transform:translateY(-4px)}.study-card-top{justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px;display:flex}.study-card-icon-wrap{border-radius:var(--radius-md);width:48px;height:48px;transition:var(--transition-smooth);justify-content:center;align-items:center;display:flex}.study-card:hover .study-card-icon-wrap{transform:scale(1.08)rotate(3deg)}.study-card-badges{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:6px;display:flex}.study-pill{border-radius:var(--radius-pill);letter-spacing:.02em;align-items:center;gap:4px;padding:3px 10px;font-size:.74rem;font-weight:700;display:inline-flex}.pill-coral{background:var(--coral-bg);color:var(--coral-text);border:1px solid var(--coral-border)}.pill-blue{background:var(--blue-bg);color:var(--blue-text);border:1px solid var(--blue-border)}.pill-purple{background:var(--purple-bg);color:var(--purple-text);border:1px solid var(--purple-border)}.pill-amber{background:var(--amber-bg);color:var(--amber-text);border:1px solid var(--amber-border)}.pill-teal{background:var(--teal-bg);color:var(--teal-text);border:1px solid var(--teal-border)}.pill-priority{color:#dc2626;background:#fee2e2;font-weight:800}.pill-completed{color:#16a34a;background:#dcfce7}.study-card-content{flex:1;margin-bottom:20px}.study-card-title{color:var(--text-primary);margin-bottom:8px;font-size:1.25rem;font-weight:800;line-height:1.3}.study-card-subtitle{color:var(--text-secondary);font-size:.88rem;line-height:1.5}.study-card-footer{border-top:1px dashed var(--border-light);justify-content:space-between;align-items:center;padding-top:16px;font-size:.86rem;display:flex}.study-card-meta{color:var(--text-secondary);align-items:center;gap:6px;display:flex}.study-card-meta strong{color:var(--text-primary);font-weight:700}.study-card-action{color:var(--text-primary);transition:var(--transition-smooth);align-items:center;gap:6px;font-weight:700;display:inline-flex}.study-card:hover .study-card-action{color:var(--card-accent-color);gap:9px}.arrow-icon{transition:transform .2s}.study-card:hover .arrow-icon{transform:translate(3px)}.cheatsheet-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-subtle);transition:var(--transition-smooth);flex-direction:column;gap:14px;padding:20px 22px;display:flex}.cheatsheet-card:hover{box-shadow:var(--shadow-card)}.cheatsheet-header{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.cheatsheet-title-group{flex-direction:column;gap:4px;display:flex}.cheatsheet-category{text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);font-size:.75rem;font-weight:700}.cheatsheet-title{color:var(--text-primary);font-size:1.15rem;font-weight:700;line-height:1.3}.cheatsheet-badges{align-items:center;gap:8px;display:flex}.cheatsheet-badge{border-radius:var(--radius-pill);background:var(--coral-bg);color:var(--coral-text);border:1px solid var(--coral-border);padding:3px 9px;font-size:.75rem;font-weight:700}.cheatsheet-time{color:var(--text-muted);font-size:.78rem;font-weight:500}.cheatsheet-copy-btn{background:var(--bg-subtle);border:1px solid var(--border-light);border-radius:var(--radius-sm);width:28px;height:28px;color:var(--text-secondary);cursor:pointer;transition:var(--transition-smooth);justify-content:center;align-items:center;display:flex}.cheatsheet-copy-btn:hover{color:var(--text-primary);background:#e5e1d8}.cheatsheet-content{flex-direction:column;gap:12px;display:flex}.cheatsheet-notes-block{background:var(--bg-main);border-radius:var(--radius-md);border-left:3px solid #1c1e23;padding:12px 16px}.cheatsheet-note-text{color:var(--text-secondary);margin-bottom:6px;font-size:.9rem;line-height:1.55}.cheatsheet-note-text:last-child{margin-bottom:0}.cheatsheet-bullets{flex-direction:column;gap:8px;display:flex}.cheatsheet-section-tag{text-transform:uppercase;letter-spacing:.03em;color:var(--text-muted);font-size:.78rem;font-weight:700}.cheatsheet-bullets ul{flex-direction:column;gap:6px;list-style:none;display:flex}.cheatsheet-bullets li{color:var(--text-primary);align-items:baseline;gap:8px;font-size:.88rem;line-height:1.45;display:flex}.bullet-point{background:var(--coral-accent);border-radius:50%;flex-shrink:0;width:5px;height:5px;position:relative;top:-2px}.cheatsheet-footer{border-top:1px solid var(--border-light);justify-content:space-between;align-items:center;margin-top:4px;padding-top:10px;display:flex}.cheatsheet-toggle-btn{color:var(--text-secondary);cursor:pointer;border-radius:var(--radius-sm);transition:var(--transition-smooth);background:0 0;border:none;align-items:center;gap:4px;padding:4px 6px;font-size:.82rem;font-weight:600;display:inline-flex}.cheatsheet-toggle-btn:hover{color:var(--text-primary);background:var(--bg-subtle)}.cheatsheet-action-btn{background:var(--coral-bg);color:var(--coral-text);border:1px solid var(--coral-border);border-radius:var(--radius-pill);cursor:pointer;transition:var(--transition-smooth);align-items:center;gap:6px;padding:6px 12px;font-size:.82rem;font-weight:600;display:inline-flex}.cheatsheet-action-btn:hover{background:var(--coral-border);transform:translateY(-1px)}.cheatsheet-purple .bullet-point{background:var(--purple-accent)}.cheatsheet-purple .cheatsheet-badge,.cheatsheet-purple .cheatsheet-action-btn{background:var(--purple-bg);color:var(--purple-text);border-color:var(--purple-border)}.cheatsheet-blue .bullet-point{background:var(--blue-accent)}.cheatsheet-blue .cheatsheet-badge,.cheatsheet-blue .cheatsheet-action-btn{background:var(--blue-bg);color:var(--blue-text);border-color:var(--blue-border)}.cheatsheet-amber .bullet-point{background:var(--amber-accent)}.cheatsheet-amber .cheatsheet-badge,.cheatsheet-amber .cheatsheet-action-btn{background:var(--amber-bg);color:var(--amber-text);border-color:var(--amber-border)}.cheatsheet-emerald .bullet-point,.cheatsheet-teal .bullet-point{background:var(--teal-accent)}.cheatsheet-emerald .cheatsheet-badge,.cheatsheet-teal .cheatsheet-badge,.cheatsheet-emerald .cheatsheet-action-btn,.cheatsheet-teal .cheatsheet-action-btn{background:var(--teal-bg);color:var(--teal-text);border-color:var(--teal-border)}.callout-box{border-radius:var(--radius-md);border:1px solid #0000;align-items:flex-start;gap:14px;margin-bottom:20px;padding:16px 18px;display:flex}.callout-icon-col{flex-shrink:0;justify-content:center;align-items:center;margin-top:1px;display:flex}.callout-body{flex:1}.callout-title{color:var(--text-primary);margin-bottom:4px;font-size:.95rem;font-weight:700}.callout-text{color:var(--text-secondary);font-size:.88rem;line-height:1.55}.callout-info{background-color:var(--blue-bg);border-color:var(--blue-border);color:var(--blue-text)}.callout-tip{background-color:var(--amber-bg);border-color:var(--amber-border);color:var(--amber-text)}.callout-warning{background-color:var(--rose-bg);border-color:var(--rose-border);color:var(--rose-text)}.callout-success{background-color:var(--teal-bg);border-color:var(--teal-border);color:var(--teal-text)}.callout-sparkle{background-color:var(--purple-bg);border-color:var(--purple-border);color:var(--purple-text)}.vault-dashboard-page{flex-direction:column;gap:56px;display:flex}.section-block{flex-direction:column;gap:26px;display:flex}.section-title-header{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:20px;display:flex}.section-kicker{text-transform:uppercase;letter-spacing:.06em;color:var(--blue-text);margin-bottom:4px;font-size:.76rem;font-weight:800}.section-h2{letter-spacing:-.02em;color:var(--text-primary);font-size:1.8rem;font-weight:850}.section-subtext{color:var(--text-secondary);max-width:520px;font-size:.95rem;line-height:1.5}.vault-hero-card{grid-template-columns:1.3fr .9fr;align-items:stretch;gap:32px;display:grid}.vault-hero-main{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);flex-direction:column;justify-content:space-between;gap:24px;padding:40px 44px;display:flex;position:relative;overflow:hidden}.vault-hero-main:before{content:"";background:linear-gradient(90deg,#3b82f6,#8b5cf6,#ec4899);height:5px;position:absolute;top:0;left:0;right:0}.hero-kicker-badge{background:var(--blue-bg);color:var(--blue-text);border:1px solid var(--blue-border);border-radius:var(--radius-pill);text-transform:uppercase;letter-spacing:.04em;align-items:center;gap:8px;width:fit-content;padding:5px 14px;font-size:.78rem;font-weight:700;display:inline-flex}.hero-terminal-icon{color:var(--blue-text)}.vault-hero-h1{letter-spacing:-.03em;color:var(--text-primary);font-size:2.85rem;font-weight:900;line-height:1.14}.vault-hero-subtitle{color:var(--text-secondary);max-width:580px;font-size:1.05rem;line-height:1.65}.vault-hero-actions{flex-wrap:wrap;align-items:center;gap:14px;margin:4px 0;display:flex}.hero-main-btn{color:#fff;background:#1c1e23;padding:13px 24px;font-size:.95rem;font-weight:700}.hero-notes-btn,.hero-revision-btn{padding:13px 20px;font-size:.92rem}.vault-stats-strip{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-md);align-items:center;gap:20px;padding:16px 24px;display:flex}.stat-pill-item{flex-direction:column;flex:1;display:flex}.stat-num{color:var(--text-primary);font-size:1.45rem;font-weight:850;line-height:1.1;font-family:var(--font-mono)}.stat-label{color:var(--text-muted);font-size:.76rem;font-weight:600}.stat-vdivider{background:var(--border-light);width:1px;height:32px}.vault-hero-sidebar-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);flex-direction:column;justify-content:space-between;gap:22px;padding:32px;display:flex}.sidebar-card-header{justify-content:space-between;align-items:center;display:flex}.header-pill{color:var(--text-primary);text-transform:uppercase;align-items:center;gap:6px;font-size:.8rem;font-weight:700;display:inline-flex}.rec-tag{border-radius:var(--radius-pill);background:var(--coral-bg);color:var(--coral-text);border:1px solid var(--coral-border);padding:2px 8px;font-size:.72rem;font-weight:700}.continue-note-box{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-smooth);flex-direction:column;gap:10px;padding:20px 22px;display:flex}.continue-note-box:hover{border-color:var(--border-focus);background:var(--surface-hover);box-shadow:var(--shadow-subtle);transform:translateY(-2px)}.continue-top-row{justify-content:space-between;align-items:center;display:flex}.continue-badge{text-transform:uppercase;color:var(--blue-text);font-size:.72rem;font-weight:800}.continue-time{color:var(--text-muted);font-size:.74rem}.continue-title{color:var(--text-primary);font-size:1.1rem;font-weight:800}.continue-desc{color:var(--text-secondary);font-size:.86rem;line-height:1.5}.continue-jump-btn{color:var(--blue-text);cursor:pointer;background:0 0;border:none;align-items:center;gap:6px;padding:0;font-size:.84rem;font-weight:700;display:inline-flex}.recent-quick-list{border-top:1px solid var(--border-light);flex-direction:column;gap:10px;padding-top:16px;display:flex}.recent-header-lbl{text-transform:uppercase;color:var(--text-muted);font-size:.74rem;font-weight:700}.recent-note-row{border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition-smooth);justify-content:space-between;align-items:center;padding:8px 12px;display:flex}.recent-note-row:hover{background:var(--bg-subtle)}.recent-note-left{flex-direction:column;gap:2px;display:flex}.recent-note-title{color:var(--text-primary);font-size:.88rem;font-weight:700}.recent-note-meta{color:var(--text-muted);font-size:.74rem}.recent-arrow{color:var(--text-muted)}.tracks-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;display:grid}.track-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-subtle);cursor:pointer;transition:var(--transition-smooth);flex-direction:column;justify-content:space-between;gap:16px;padding:26px 28px;display:flex}.track-card:hover{border-color:var(--border-focus);box-shadow:var(--shadow-card-hover);transform:translateY(-3px)}.track-color-purple{border-top:5px solid var(--purple-accent)}.track-color-blue{border-top:5px solid var(--blue-accent)}.track-color-emerald{border-top:5px solid var(--teal-accent)}.track-color-rose{border-top:5px solid var(--rose-accent)}.track-icon-box{border-radius:var(--radius-md);background:var(--bg-subtle);width:44px;height:44px;color:var(--text-primary);justify-content:center;align-items:center;display:flex}.track-title{color:var(--text-primary);margin-bottom:6px;font-size:1.18rem;font-weight:800}.track-desc{color:var(--text-secondary);font-size:.88rem;line-height:1.5}.track-footer{border-top:1px solid var(--border-light);justify-content:space-between;align-items:center;padding-top:14px;font-size:.8rem;font-weight:700;display:flex}.track-count{color:var(--text-muted)}.track-link{color:var(--blue-text)}.subject-filter-pills{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.filter-pill-btn{background:var(--surface-card);border:1px solid var(--border-light);color:var(--text-secondary);border-radius:var(--radius-pill);cursor:pointer;transition:var(--transition-smooth);padding:8px 18px;font-size:.86rem;font-weight:600}.filter-pill-btn:hover{color:var(--text-primary);border-color:var(--border-focus)}.filter-pill-btn.active{color:#fff;background:#1c1e23;border-color:#1c1e23}.vault-subjects-grid{grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:28px;display:grid}.vault-domain-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);cursor:pointer;transition:var(--transition-smooth);flex-direction:column;justify-content:space-between;gap:20px;padding:30px 28px;display:flex}.vault-domain-card:hover{border-color:var(--border-focus);box-shadow:var(--shadow-card-hover);transform:translateY(-4px)}.domain-theme-coral{border-top:5px solid var(--coral-accent)}.domain-theme-emerald{border-top:5px solid var(--teal-accent)}.domain-theme-blue{border-top:5px solid var(--blue-accent)}.domain-theme-purple{border-top:5px solid var(--purple-accent)}.domain-theme-teal{border-top:5px solid var(--teal-accent)}.domain-theme-amber{border-top:5px solid var(--amber-accent)}.domain-theme-rose{border-top:5px solid var(--rose-accent)}.domain-card-top{justify-content:space-between;align-items:center;display:flex}.domain-icon-wrap{border-radius:var(--radius-md);background:var(--bg-main);width:46px;height:46px;color:var(--text-primary);justify-content:center;align-items:center;display:flex}.domain-cat-tag{text-transform:uppercase;letter-spacing:.04em;background:var(--bg-subtle);border-radius:var(--radius-pill);color:var(--text-secondary);padding:4px 10px;font-size:.74rem;font-weight:700}.domain-card-body{flex-direction:column;gap:10px;display:flex}.domain-title{letter-spacing:-.01em;color:var(--text-primary);font-size:1.25rem;font-weight:800}.domain-desc{color:var(--text-secondary);font-size:.9rem;line-height:1.55}.domain-tags-wrap{flex-wrap:wrap;align-items:center;gap:6px;margin-top:6px;display:flex}.domain-micro-tag{color:var(--text-muted);background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-pill);padding:2px 8px;font-size:.74rem;font-weight:600}.domain-card-footer{border-top:1px solid var(--border-light);justify-content:space-between;align-items:center;padding-top:16px;font-size:.84rem;font-weight:700;display:flex}.domain-notes-count{color:var(--text-muted)}.domain-open-btn{color:var(--blue-text);align-items:center;gap:6px;display:inline-flex}.quick-revision-grid{grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:24px;display:grid}.two-col-layout{grid-template-columns:1fr 1fr;align-items:stretch;gap:32px;display:grid}.bookmarks-summary-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);flex-direction:column;gap:18px;height:100%;padding:32px;display:flex}.bookmarks-header{justify-content:space-between;align-items:center;display:flex}.bookmarks-title-wrap{align-items:center;gap:10px;display:flex}.bookmarks-title{color:var(--text-primary);font-size:1.3rem;font-weight:800}.bookmarks-badge{background:var(--amber-bg);color:var(--amber-text);border-radius:var(--radius-pill);padding:4px 10px;font-size:.76rem;font-weight:700}.bookmarks-desc{color:var(--text-secondary);font-size:.9rem;line-height:1.5}.bookmarks-quick-list{flex-direction:column;gap:10px;display:flex}.bm-item{background:var(--bg-main);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-smooth);border:1px solid #0000;align-items:center;gap:12px;padding:12px 14px;display:flex}.bm-item:hover{background:var(--surface-hover);border-color:var(--border-focus);transform:translate(2px)}.bm-tag{text-transform:uppercase;color:#fff;font-size:.72rem;font-weight:800;font-family:var(--font-mono);background:#1c1e23;border-radius:4px;padding:2px 7px}.bm-name{color:var(--text-primary);font-size:.9rem;font-weight:600}.view-all-bm-btn{width:100%;margin-top:8px;padding:12px}.vault-vision-card{color:#fff;border-radius:var(--radius-xl);box-shadow:var(--shadow-card);background:linear-gradient(135deg,#1c1e23 0%,#2a303c 100%);flex-direction:column;justify-content:space-between;gap:22px;height:100%;padding:36px 34px;display:flex}.vision-top{align-items:center;gap:14px;display:flex}.vision-icon-box{border-radius:var(--radius-md);color:#38bdf8;background:#ffffff1f;justify-content:center;align-items:center;width:48px;height:48px;display:flex}.vision-headings{flex-direction:column;gap:2px;display:flex}.vision-kicker{text-transform:uppercase;letter-spacing:.05em;color:#38bdf8;font-size:.75rem;font-weight:700}.vision-title{font-size:1.4rem;font-weight:800}.vision-quote{color:#e2e8f0;font-size:.95rem;font-style:italic;line-height:1.65}.vision-features-list{flex-direction:column;gap:12px;display:flex}.vfeature-item{color:#cbd5e1;align-items:flex-start;gap:10px;font-size:.9rem;line-height:1.45;display:flex}.vcheck{color:#34d399;flex-shrink:0;margin-top:2px}.vision-cta-btn{color:#1c1e23;background:#fff;border-color:#fff;width:100%;padding:12px;font-weight:700}.vision-cta-btn:hover{background:#f1f5f9}@media (width<=1140px){.vault-hero-card,.two-col-layout{grid-template-columns:1fr;gap:24px}}@media (width<=768px){.vault-dashboard-page{gap:40px}.vault-subjects-grid,.quick-revision-grid{grid-template-columns:1fr;gap:20px}}@media (width<=640px){.vault-hero-main{padding:28px 22px}.vault-hero-h1{font-size:2.2rem}.vault-stats-strip{grid-template-columns:1fr 1fr;gap:14px;padding:14px;display:grid}.stat-vdivider{display:none}}.breadcrumbs-nav{flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:20px;font-size:.85rem;display:flex}.breadcrumb-item{border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:var(--transition-smooth);background:0 0;border:none;align-items:center;gap:5px;padding:4px 8px;font-family:inherit;font-weight:500;display:inline-flex}.breadcrumb-item:hover{background-color:var(--bg-subtle);color:var(--text-primary)}.breadcrumb-separator{color:var(--text-muted)}.breadcrumb-active{color:var(--text-primary);cursor:default;background-color:#efece6;font-weight:700}.modern-code-block-card{border-radius:var(--radius-md);box-shadow:var(--shadow-card);background:#0b0f19;border:1px solid #1f2937;flex-direction:column;margin:16px 0;display:flex;overflow:hidden}.code-block-header{background:#111827;border-bottom:1px solid #1f2937;justify-content:space-between;align-items:center;padding:10px 18px;display:flex}.code-block-title{letter-spacing:.04em;color:#94a3b8;text-transform:uppercase;align-items:center;gap:8px;font-size:.8rem;font-weight:700;display:flex}.code-title-icon{color:#38bdf8}.code-copy-pill{color:#e2e8f0;border-radius:var(--radius-pill);cursor:pointer;transition:var(--transition-smooth);background:#ffffff14;border:1px solid #ffffff29;align-items:center;gap:6px;padding:5px 12px;font-size:.76rem;font-weight:600;display:inline-flex}.code-copy-pill:hover{color:#fff;background:#ffffff2e;border-color:#ffffff59;transform:translateY(-1px)}.code-copy-pill:active{transform:translateY(0)}.text-teal{color:#34d399!important}.code-scroll-container{background:#0b0f19;padding:14px 0;overflow-x:auto}.code-pre-element{font-family:var(--font-mono);color:#e2e8f0;margin:0;font-size:.88rem;line-height:1.65}.code-pre-element code{width:100%;display:block}.code-line-row{align-items:flex-start;padding:0 18px;transition:background-color .15s;display:flex}.code-line-row:hover{background-color:#ffffff08}.code-line-number{color:#475569;text-align:right;-webkit-user-select:none;user-select:none;flex-shrink:0;min-width:32px;padding-right:18px;font-size:.78rem;display:inline-block}.code-line-content{tab-size:4;flex:1;white-space:pre!important}.code-fn{color:#60a5fa;font-weight:600}.code-output-footer{font-family:var(--font-mono);background:#070a10;border-top:1px solid #1f2937;border-left:4px solid #38bdf8;flex-direction:column;gap:4px;padding:12px 18px;font-size:.84rem;display:flex}.output-tag{text-transform:uppercase;letter-spacing:.05em;color:#64748b;font-size:.7rem;font-weight:700}.output-content{color:#38bdf8;white-space:pre-wrap}.domain-study-layout{grid-template-columns:280px 1fr;align-items:flex-start;gap:32px;display:grid;position:relative}.study-toc-sidebar{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-subtle);flex-direction:column;gap:14px;max-height:calc(100vh - 110px);padding:20px;display:flex;position:sticky;top:86px;overflow-y:auto}.toc-header{border-bottom:1px solid var(--border-light);justify-content:space-between;align-items:center;padding-bottom:10px;display:flex}.toc-title{text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);align-items:center;gap:6px;font-size:.82rem;font-weight:700;display:flex}.toc-nav-list{flex-direction:column;gap:4px;list-style:none;display:flex}.toc-nav-item a{border-radius:var(--radius-sm);color:var(--text-secondary);transition:var(--transition-smooth);align-items:center;gap:8px;padding:6px 10px;font-size:.84rem;font-weight:500;text-decoration:none;display:flex}.toc-nav-item a:hover{background:var(--bg-subtle);color:var(--text-primary);transform:translate(2px)}.toc-nav-item.active a{color:#fff;background:#1c1e23;font-weight:600}.toc-num{font-family:var(--font-mono);color:var(--text-muted);min-width:18px;font-size:.75rem}.toc-nav-item.active .toc-num{color:#fcd34d}.toc-quick-actions{border-top:1px solid var(--border-light);flex-direction:column;gap:8px;padding-top:12px;display:flex}.toc-action-btn{border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-smooth);justify-content:center;align-items:center;gap:6px;padding:8px 12px;font-size:.82rem;font-weight:600;display:flex}.toc-action-complete{background:var(--teal-bg);color:var(--teal-text);border:1px solid var(--teal-border)}.toc-action-complete.completed{color:#fff;background:#059669;border-color:#059669}.study-main-article{flex-direction:column;gap:32px;min-width:0;display:flex}.study-subject-hero{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);flex-direction:column;gap:16px;padding:32px 36px;display:flex;position:relative;overflow:hidden}.hero-theme-coral{border-top:5px solid var(--coral-accent)}.hero-theme-blue{border-top:5px solid var(--blue-accent)}.hero-theme-purple{border-top:5px solid var(--purple-accent)}.hero-theme-amber{border-top:5px solid var(--amber-accent)}.hero-theme-emerald,.hero-theme-teal{border-top:5px solid var(--teal-accent)}.hero-navigation-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.hero-back-link{background:var(--bg-subtle);border:1px solid var(--border-light);border-radius:var(--radius-pill);color:var(--text-secondary);cursor:pointer;transition:var(--transition-smooth);align-items:center;gap:6px;padding:6px 14px;font-size:.84rem;font-weight:600;display:inline-flex}.hero-back-link:hover{color:var(--text-primary);background:#e5e1d8}.hero-badges-row{align-items:center;gap:8px;display:flex}.hero-priority-badge{text-transform:uppercase;letter-spacing:.04em;border-radius:var(--radius-pill);padding:4px 10px;font-size:.75rem;font-weight:800}.badge-critical{color:#dc2626;background:#fee2e2;border:1px solid #fecaca}.badge-high{color:#d97706;background:#fef3c7;border:1px solid #fde68a}.badge-medium-high{color:#0d9488;background:#ccfbf1;border:1px solid #99f6e4}.hero-title-group{flex-direction:column;gap:6px;display:flex}.hero-kicker-text{text-transform:uppercase;letter-spacing:.05em;color:var(--coral-text);font-size:.8rem;font-weight:700}.hero-subject-h1{letter-spacing:-.02em;color:var(--text-primary);font-size:2.3rem;font-weight:800;line-height:1.15}.hero-subject-desc{color:var(--text-secondary);font-size:1.02rem;line-height:1.6}.hero-metrics-strip{border-top:1px solid var(--border-light);flex-wrap:wrap;align-items:center;gap:16px;padding-top:14px;display:flex}.hero-metric-pill{color:var(--text-secondary);align-items:center;gap:6px;font-size:.85rem;display:inline-flex}.hero-metric-pill strong{color:var(--text-primary)}.study-section-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-subtle);transition:var(--transition-smooth);flex-direction:column;gap:18px;padding:28px 30px;scroll-margin-top:96px;display:flex}.study-section-card:hover{box-shadow:var(--shadow-card)}.section-card-header{border-bottom:1px solid var(--border-light);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding-bottom:12px;display:flex}.section-header-left{align-items:center;gap:12px;display:flex}.section-index-badge{border-radius:var(--radius-md);color:#fff;width:32px;height:32px;font-size:.85rem;font-weight:800;font-family:var(--font-mono);background:#1c1e23;flex-shrink:0;justify-content:center;align-items:center;display:flex}.section-heading-h2{color:var(--text-primary);font-size:1.35rem;font-weight:800}.section-tags-group{align-items:center;gap:6px;display:flex}.must-know-badge{color:#92400e;border-radius:var(--radius-pill);text-transform:uppercase;background:#fef3c7;border:1px solid #fde68a;align-items:center;gap:4px;padding:3px 8px;font-size:.72rem;font-weight:700;display:inline-flex}.quick-method-badge{color:#3730a3;border-radius:var(--radius-pill);text-transform:uppercase;background:#e0e7ff;border:1px solid #c7d2fe;align-items:center;gap:4px;padding:3px 8px;font-size:.72rem;font-weight:700;display:inline-flex}.section-body-text{color:var(--text-secondary);font-size:.96rem;line-height:1.65}.section-body-text strong{color:var(--text-primary)}.syntax-card{border-radius:var(--radius-md);box-shadow:var(--shadow-card);background:#111827;border:1px solid #1f2937;margin:12px 0;overflow:hidden}.syntax-card-top{background:#0b0f19;border-bottom:1px solid #1f2937;justify-content:space-between;align-items:center;padding:10px 16px;display:flex}.syntax-label{text-transform:uppercase;letter-spacing:.05em;color:#94a3b8;align-items:center;gap:8px;font-size:.78rem;font-weight:700;display:flex}.copy-code-btn:hover{color:#fff;background:#ffffff2e;border-color:#ffffff59;transform:translateY(-1px)}.copy-code-btn:active{transform:translateY(0)}.code-pre-block{font-family:var(--font-mono);color:#e2e8f0;white-space:pre;tab-size:4;margin:0;padding:18px 20px;font-size:.88rem;line-height:1.65;overflow-x:auto}.code-keyword{color:#f472b6;font-weight:600}.code-fn,.code-func{color:#60a5fa;font-weight:600}.code-type{color:#34d399;font-weight:600}.code-comment{color:#64748b;font-style:italic}.code-string{color:#a7f3d0}.code-num{color:#fbbf24}.output-result-box{font-family:var(--font-mono);color:#38bdf8;background:#0b0f19;border-top:1px solid #1f2937;border-left:3px solid #38bdf8;padding:12px 18px;font-size:.84rem}.output-label{text-transform:uppercase;color:#64748b;margin-bottom:2px;font-size:.7rem;display:block}.study-callout{border-radius:var(--radius-md);align-items:flex-start;gap:12px;margin:6px 0;padding:14px 18px;display:flex}.callout-remember{color:#92400e;background:#fffbeb;border:1px solid #fde68a}.callout-trap{color:#9f1239;background:#fff1f2;border:1px solid #fecdd3}.callout-exam-tip{color:#1e40af;background:#eff6ff;border:1px solid #bfdbfe}.callout-icon-box{flex-shrink:0;margin-top:1px;font-size:1.1rem}.callout-text-content{font-size:.9rem;line-height:1.55}.callout-text-content strong{font-weight:700}.comparison-table-wrapper{border-radius:var(--radius-md);border:1px solid var(--border-light);margin:8px 0;overflow-x:auto}.comparison-table{border-collapse:collapse;text-align:left;width:100%;font-size:.88rem}.comparison-table th{background:var(--bg-subtle);color:var(--text-primary);border-bottom:1px solid var(--border-light);padding:12px 14px;font-weight:700}.comparison-table td{border-bottom:1px solid var(--border-light);color:var(--text-secondary);padding:10px 14px;line-height:1.45}.comparison-table tr:last-child td{border-bottom:none}.comparison-table tr:hover td{background:var(--surface-hover)}.survival-sheet-card{color:#fff;border-radius:var(--radius-xl);box-shadow:var(--shadow-card);background:linear-gradient(135deg,#1c1e23 0%,#29303d 100%);flex-direction:column;gap:20px;margin-top:12px;padding:32px 34px;display:flex}.survival-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.survival-title-wrap{align-items:center;gap:12px;display:flex}.survival-icon-box{border-radius:var(--radius-md);color:#fcd34d;background:#ffffff1f;justify-content:center;align-items:center;width:40px;height:40px;display:flex}.survival-title{font-size:1.35rem;font-weight:800;color:#fff!important}.survival-sheet-card .hero-kicker-text{text-transform:uppercase;letter-spacing:.05em;font-size:.82rem;font-weight:700;color:#fca5a5!important}.survival-rules-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px;display:grid}.survival-rule-item{border-radius:var(--radius-md);transition:var(--transition-smooth);background:#ffffff14;border:1px solid #ffffff29;align-items:flex-start;gap:10px;padding:14px 16px;display:flex}.survival-rule-item:hover{background:#ffffff1f;border-color:#ffffff47}.rule-number-badge{color:#1c1e23;border-radius:var(--radius-sm);font-size:.75rem;font-weight:800;font-family:var(--font-mono);background:#fcd34d;flex-shrink:0;padding:2px 7px}.survival-sheet-card .rule-text{font-size:.88rem;line-height:1.55;color:#e2e8f0!important}.survival-sheet-card .rule-text strong{font-weight:700;color:#fff!important}.survival-sheet-card .rule-text code{font-family:var(--font-mono);border-radius:4px;padding:2px 6px;font-size:.82rem;font-weight:600;color:#fde047!important;background:#ffffff29!important}.subtopics-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;margin-top:10px;display:grid}.subtopic-item{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-md);transition:var(--transition-smooth);align-items:flex-start;gap:12px;padding:16px 18px;display:flex}.subtopic-item:hover{background:var(--surface-hover);border-color:var(--border-focus);box-shadow:var(--shadow-subtle);transform:translateY(-2px)}.subtopic-num{border-radius:var(--radius-pill);color:#fff;width:28px;height:28px;font-size:.78rem;font-weight:800;font-family:var(--font-mono);background:#1c1e23;flex-shrink:0;justify-content:center;align-items:center;display:flex}.subtopic-item strong{color:var(--text-primary);margin-bottom:4px;font-size:.95rem;font-weight:700;display:block}.subtopic-item .section-subtext{color:var(--text-secondary);margin:0;font-size:.86rem;line-height:1.45}.study-bottom-nav{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-top:10px;padding:24px 28px;display:flex}.bottom-nav-left,.bottom-nav-right{align-items:center;gap:10px;display:flex}.nav-direction-btn{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-md);color:var(--text-primary);cursor:pointer;transition:var(--transition-smooth);align-items:center;gap:8px;padding:10px 18px;font-size:.9rem;font-weight:600;display:inline-flex}.nav-direction-btn:hover{background:var(--bg-subtle);border-color:var(--border-focus);transform:translateY(-1px)}.mark-complete-btn{background:var(--teal-bg);border:1px solid var(--teal-border);color:var(--teal-text);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-smooth);align-items:center;gap:8px;padding:10px 20px;font-size:.9rem;font-weight:700;display:inline-flex}.mark-complete-btn.is-done{color:#fff;background:#059669;border-color:#059669}.mark-complete-btn:hover{transform:translateY(-1px)}@media (width<=1024px){.domain-study-layout{grid-template-columns:1fr}.study-toc-sidebar{display:none}}@media (width<=640px){.study-subject-hero{padding:24px 20px}.hero-subject-h1{font-size:1.8rem}.study-section-card{padding:20px 18px}.study-bottom-nav{flex-direction:column;align-items:stretch}.bottom-nav-left,.bottom-nav-right{justify-content:space-between}}.aiml-hub-page{flex-direction:column;gap:28px;display:flex}.aiml-hero-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);flex-direction:column;gap:16px;padding:32px 36px;display:flex}.hero-border-rose{border-top:5px solid var(--rose-accent)}.aiml-hero-top{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.aiml-badge-pill{background:var(--bg-subtle);border:1px solid var(--border-light);border-radius:var(--radius-pill);text-transform:uppercase;color:var(--text-secondary);align-items:center;gap:6px;padding:4px 12px;font-size:.78rem;font-weight:700;display:inline-flex}.aiml-actions-row{align-items:center;gap:8px;display:flex}.aiml-hero-content{flex-direction:column;gap:8px;display:flex}.aiml-h1{letter-spacing:-.02em;color:var(--text-primary);font-size:2.2rem;font-weight:800}.aiml-subtitle{color:var(--text-secondary);max-width:780px;font-size:1rem;line-height:1.55}.aiml-nav-pills{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.aiml-pill{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-pill);color:var(--text-secondary);cursor:pointer;transition:var(--transition-smooth);align-items:center;gap:8px;padding:8px 16px;font-size:.86rem;font-weight:600;display:inline-flex}.aiml-pill:hover{border-color:var(--border-focus);color:var(--text-primary)}.aiml-pill.active{color:#fff;background:#1c1e23;border-color:#1c1e23}.aiml-topics-deck{flex-direction:column;gap:20px;display:flex}.aiml-topic-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-subtle);transition:var(--transition-smooth);flex-direction:column;gap:14px;padding:26px 28px;display:flex}.aiml-topic-card:hover{box-shadow:var(--shadow-card);border-color:var(--border-focus)}.aiml-card-header{align-items:center;gap:12px;display:flex}.aiml-index-badge{color:#fff;border-radius:var(--radius-sm);font-size:.78rem;font-weight:800;font-family:var(--font-mono);background:#1c1e23;padding:3px 8px}.aiml-card-title{color:var(--text-primary);font-size:1.25rem;font-weight:800}.aiml-card-desc{color:var(--text-secondary);font-size:.94rem;line-height:1.55}.aiml-rules-box{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-md);flex-direction:column;gap:10px;padding:16px 20px;display:flex}.aiml-rules-header{text-transform:uppercase;color:var(--text-muted);font-size:.8rem;font-weight:700}.aiml-rules-list{flex-direction:column;gap:8px;list-style:none;display:flex}.aiml-rules-list li{color:var(--text-primary);align-items:baseline;gap:10px;font-size:.9rem;line-height:1.5;display:flex}.aiml-rule-bullet{background:var(--coral-accent);border-radius:50%;flex-shrink:0;width:6px;height:6px;position:relative;top:-2px}.aiml-bottom-nav{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);justify-content:space-between;align-items:center;padding:20px 24px;display:flex}.sysdesign-page{flex-direction:column;gap:28px;display:flex}.sysdesign-hero{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);flex-direction:column;gap:16px;padding:32px 36px;display:flex}.sysdesign-hero-top{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.sysdesign-badge{background:var(--bg-subtle);border:1px solid var(--border-light);border-radius:var(--radius-pill);text-transform:uppercase;color:var(--text-secondary);align-items:center;gap:6px;padding:4px 12px;font-size:.78rem;font-weight:700;display:inline-flex}.sysdesign-actions{align-items:center;gap:8px;display:flex}.sysdesign-hero-content{flex-direction:column;gap:8px;display:flex}.sysdesign-h1{letter-spacing:-.02em;color:var(--text-primary);font-size:2.2rem;font-weight:800}.sysdesign-sub{color:var(--text-secondary);max-width:780px;font-size:1rem;line-height:1.55}.sysdesign-pills{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.sd-pill{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-pill);color:var(--text-secondary);cursor:pointer;transition:var(--transition-smooth);align-items:center;gap:8px;padding:8px 16px;font-size:.86rem;font-weight:600;display:inline-flex}.sd-pill:hover{border-color:var(--border-focus);color:var(--text-primary)}.sd-pill.active{color:#fff;background:#1c1e23;border-color:#1c1e23}.sysdesign-stack{flex-direction:column;gap:20px;display:flex}.sysdesign-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-subtle);transition:var(--transition-smooth);flex-direction:column;gap:14px;padding:26px 28px;display:flex}.sysdesign-card:hover{box-shadow:var(--shadow-card);border-color:var(--border-focus)}.sysdesign-card-header{align-items:center;gap:12px;display:flex}.sd-index-badge{color:#fff;border-radius:var(--radius-sm);font-size:.78rem;font-weight:800;font-family:var(--font-mono);background:#1c1e23;padding:3px 8px}.sd-card-title{color:var(--text-primary);font-size:1.25rem;font-weight:800}.sd-card-desc{color:var(--text-secondary);font-size:.94rem;line-height:1.55}.sd-rules-box{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-md);flex-direction:column;gap:10px;padding:16px 20px;display:flex}.sd-rules-header{text-transform:uppercase;color:var(--text-muted);font-size:.8rem;font-weight:700}.sd-rules-list{flex-direction:column;gap:8px;list-style:none;display:flex}.sd-rules-list li{color:var(--text-primary);align-items:baseline;gap:10px;font-size:.9rem;line-height:1.5;display:flex}.sd-bullet{background:var(--blue-accent);border-radius:50%;flex-shrink:0;width:6px;height:6px;position:relative;top:-2px}.sysdesign-bottom-nav{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);justify-content:space-between;align-items:center;padding:20px 24px;display:flex}.practice-hub-page{flex-direction:column;gap:28px;display:flex}.practice-hero-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);grid-template-columns:1.4fr 1fr;align-items:center;gap:32px;padding:32px 36px;display:grid}.practice-badge-row{align-items:center;gap:10px;margin-bottom:12px;display:flex}.practice-pill-badge{border-radius:var(--radius-pill);background:var(--bg-subtle);color:var(--text-secondary);align-items:center;gap:6px;padding:4px 12px;font-size:.8rem;font-weight:700;display:inline-flex}.practice-pill-badge.blue{background:var(--blue-bg);color:var(--blue-text)}.practice-hero-h1{color:var(--text-primary);letter-spacing:-.02em;margin-bottom:12px;font-size:2.3rem;font-weight:900;line-height:1.15}.practice-hero-subtitle{color:var(--text-secondary);margin-bottom:20px;font-size:1rem;line-height:1.6}.practice-stats-strip{background:var(--bg-main);border-radius:var(--radius-md);border:1px solid var(--border-light);align-items:center;gap:16px;width:fit-content;padding:12px 18px;display:flex}.practice-stat-item{flex-direction:column;display:flex}.practice-stat-val{color:var(--text-primary);font-size:1.25rem;font-weight:800;line-height:1.2}.practice-stat-lbl{color:var(--text-muted);text-transform:uppercase;font-size:.72rem;font-weight:600}.practice-stat-divider{background:var(--border-light);width:1px;height:28px}.practice-scorecard-widget{background:var(--bg-subtle);border:1px solid var(--border-light);border-radius:var(--radius-lg);flex-direction:column;gap:14px;padding:24px;display:flex}.scorecard-header{justify-content:space-between;align-items:center;display:flex}.scorecard-title{align-items:center;gap:8px;font-size:.95rem;font-weight:700;display:flex}.scorecard-acc-badge{color:var(--text-primary);font-size:1.3rem;font-weight:900}.scorecard-bars{flex-direction:column;gap:8px;display:flex}.scorecard-row{color:var(--text-secondary);justify-content:space-between;font-size:.85rem;display:flex}.practice-domains-grid{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.practice-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);cursor:pointer;transition:var(--transition-smooth);flex-direction:column;justify-content:space-between;padding:24px;display:flex;position:relative;overflow:hidden}.practice-card:hover{box-shadow:var(--shadow-card-hover);border-color:var(--border-focus);transform:translateY(-3px)}.practice-card-top{justify-content:space-between;align-items:flex-start;margin-bottom:16px;display:flex}.practice-card-icon{border-radius:var(--radius-md);justify-content:center;align-items:center;width:44px;height:44px;display:flex}.practice-card-icon.coral{background:var(--coral-bg);color:var(--coral-text)}.practice-card-icon.blue{background:var(--blue-bg);color:var(--blue-text)}.practice-card-icon.amber{background:var(--amber-bg);color:var(--amber-text)}.practice-card-icon.teal{background:var(--teal-bg);color:var(--teal-text)}.practice-card-icon.purple{background:var(--purple-bg);color:var(--purple-text)}.practice-card-icon.emerald{background:var(--teal-bg);color:var(--teal-text)}.practice-badge-tag{border-radius:var(--radius-pill);background:var(--bg-subtle);color:var(--text-secondary);padding:4px 10px;font-size:.75rem;font-weight:700}.practice-card-title{color:var(--text-primary);margin-bottom:8px;font-size:1.15rem;font-weight:800}.practice-card-desc{color:var(--text-secondary);margin-bottom:16px;font-size:.88rem;line-height:1.5}.practice-card-footer{border-top:1px solid var(--border-light);justify-content:space-between;align-items:center;padding-top:14px;font-size:.85rem;display:flex}.practice-card-count{color:var(--text-secondary);font-weight:700}.practice-card-cta{color:var(--text-primary);align-items:center;gap:4px;font-weight:700;display:flex}@media (width<=1024px){.practice-hero-card{grid-template-columns:1fr}.practice-domains-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=640px){.practice-domains-grid{grid-template-columns:1fr}}.diff-badge{border-radius:var(--radius-pill);letter-spacing:.01em;white-space:nowrap;align-items:center;gap:5px;font-weight:600;display:inline-flex}.diff-badge-sm{padding:3px 9px;font-size:.75rem}.diff-badge-md{padding:5px 12px;font-size:.82rem}.diff-dot{background-color:currentColor;border-radius:50%;width:6px;height:6px}.badge-easy{background-color:var(--teal-bg);color:var(--teal-text);border:1px solid var(--teal-border)}.badge-medium{background-color:var(--amber-bg);color:var(--amber-text);border:1px solid var(--amber-border)}.badge-hard{background-color:var(--rose-bg);color:var(--rose-text);border:1px solid var(--rose-border)}.badge-neutral{color:var(--text-secondary);border:1px solid var(--border-light);background-color:#f1efe9}.question-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-subtle);transition:var(--transition-smooth);flex-direction:column;gap:16px;padding:22px 24px;display:flex}.question-card:hover{box-shadow:var(--shadow-card)}.question-card.is-correct{background:#fafcfb;border-color:#a7f3d0}.question-card.is-wrong{background:#fcfafa;border-color:#fecdd3}.question-card-header{justify-content:space-between;align-items:center;gap:12px;display:flex}.question-header-left{align-items:center;gap:8px;display:flex}.question-number-badge{color:#fff;border-radius:var(--radius-sm);font-size:.78rem;font-weight:700;font-family:var(--font-mono);background:#1c1e23;padding:3px 8px}.question-subject-tag{color:var(--text-secondary);font-size:.8rem;font-weight:600}.question-header-right{align-items:center;gap:8px;display:flex}.question-reset-btn{border:1px solid var(--border-light);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:var(--transition-smooth);background:0 0;align-items:center;gap:4px;padding:4px 8px;font-size:.78rem;font-weight:600;display:inline-flex}.question-reset-btn:hover{background:var(--bg-subtle);color:var(--text-primary)}.question-body{margin-top:2px}.question-text{color:var(--text-primary);font-size:1.05rem;font-weight:600;line-height:1.45}.question-options-list{flex-direction:column;gap:10px;display:flex}.option-btn{border-radius:var(--radius-md);border:1.5px solid var(--border-light);background:var(--surface-card);color:var(--text-primary);text-align:left;cursor:pointer;transition:var(--transition-smooth);align-items:center;gap:12px;padding:12px 16px;font-family:inherit;font-size:.92rem;display:flex}.option-btn:hover:not(:disabled){border-color:var(--border-focus);background:var(--bg-subtle);transform:translate(2px)}.option-letter-badge{background:var(--bg-subtle);width:28px;height:28px;color:var(--text-secondary);transition:var(--transition-smooth);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:.82rem;font-weight:700;display:flex}.option-label-text{flex:1;line-height:1.4}.option-btn.option-selected{background:var(--bg-subtle);border-color:#1c1e23}.option-btn.option-correct{color:#065f46;background:#ecfdf5;border-color:#059669;font-weight:600}.option-btn.option-correct .option-letter-badge{color:#059669;background:#d1fae5}.option-btn.option-incorrect{color:#9f1239;background:#fff1f2;border-color:#e11d48}.option-btn.option-incorrect .option-letter-badge{color:#e11d48;background:#ffe4e6}.option-btn.option-dimmed{opacity:.6;cursor:not-allowed}.text-success{color:#059669}.text-danger{color:#e11d48}.question-feedback-box{border-radius:var(--radius-md);background:var(--bg-main);border:1px dashed var(--border-light);flex-direction:column;gap:10px;margin-top:6px;padding:14px 16px;animation:.2s ease-out fadeIn;display:flex}.feedback-status-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;display:flex}.feedback-badge{align-items:center;gap:6px;font-size:.88rem;font-weight:700;display:inline-flex}.feedback-badge.success{color:#059669}.feedback-badge.wrong{color:#e11d48}.toggle-explanation-btn{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;align-items:center;gap:5px;font-size:.82rem;font-weight:600;text-decoration:underline;display:inline-flex}.toggle-explanation-btn:hover{color:var(--text-primary)}.question-explanation-content{color:var(--text-secondary);background:var(--surface-card);border-radius:var(--radius-sm);border:1px solid var(--border-light);padding:10px 14px;font-size:.88rem;line-height:1.5}.quant-hub-page{flex-direction:column;gap:32px;display:flex}.quant-hero-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);grid-template-columns:1.3fr .8fr;align-items:center;gap:36px;padding:36px 38px 32px;display:grid}.quant-hero-left{flex-direction:column;gap:14px;display:flex}.quant-badge-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.quant-pill-badge{border-radius:var(--radius-pill);background:var(--bg-subtle);color:var(--text-secondary);border:1px solid var(--border-light);align-items:center;gap:6px;padding:4px 12px;font-size:.78rem;font-weight:700;display:inline-flex}.quant-pill-badge.amber{background:var(--amber-bg);color:var(--amber-text);border-color:var(--amber-border)}.quant-hero-h1{letter-spacing:-.03em;color:var(--text-primary);font-size:2.6rem;font-weight:800;line-height:1.15}.quant-hero-subtitle{color:var(--text-secondary);font-size:1.05rem;line-height:1.55}.quant-highlights-strip{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-md);align-items:center;gap:14px;margin-top:4px;padding:12px 18px;display:flex}.strip-item{flex-direction:column;flex:1;display:flex}.strip-val{color:var(--text-primary);font-size:1.25rem;font-weight:800;line-height:1.1}.strip-lbl{color:var(--text-muted);font-size:.72rem;font-weight:600}.strip-divider{background:var(--border-light);width:1px;height:24px}.quant-readiness-card{background:var(--surface-card);border:2px solid var(--amber-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);flex-direction:column;gap:14px;padding:26px 24px;display:flex}.readiness-header{justify-content:space-between;align-items:center;display:flex}.readiness-tag{text-transform:uppercase;color:var(--amber-text);align-items:center;gap:6px;font-size:.82rem;font-weight:700;display:inline-flex}.readiness-score{color:var(--text-primary);font-size:1.3rem;font-weight:800}.readiness-desc{color:var(--text-secondary);font-size:.86rem;line-height:1.45}.readiness-action-grid{grid-template-columns:1fr 1fr;gap:10px;margin-top:4px;display:grid}.readiness-btn-primary{background:var(--amber-text);color:#fff;border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-smooth);border:none;justify-content:center;align-items:center;gap:6px;padding:10px 12px;font-size:.84rem;font-weight:700;display:inline-flex}.readiness-btn-primary:hover{opacity:.9;transform:translateY(-1px)}.readiness-btn-secondary{background:var(--bg-subtle);border:1px solid var(--border-light);color:var(--text-primary);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-smooth);justify-content:center;align-items:center;gap:6px;padding:10px 12px;font-size:.84rem;font-weight:600;display:inline-flex}.readiness-btn-secondary:hover{background:#e5e1d8}.quant-subnav-bar{background:var(--surface-card);border-radius:var(--radius-pill);border:1px solid var(--border-light);box-shadow:var(--shadow-subtle);align-items:center;gap:8px;padding:6px 10px;display:flex;overflow-x:auto}.topics-section{flex-direction:column;gap:20px;display:flex}.topics-toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;display:flex}.section-title{color:var(--text-primary);font-size:1.5rem;font-weight:800}.section-subtitle{color:var(--text-muted);font-size:.88rem}.priority-filters{background:var(--surface-card);border-radius:var(--radius-pill);border:1px solid var(--border-light);align-items:center;gap:6px;padding:4px;display:flex}.quant-topics-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;display:grid}.quant-topic-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-subtle);cursor:pointer;transition:var(--transition-smooth);flex-direction:column;justify-content:space-between;gap:14px;padding:22px 22px 18px;display:flex}.quant-topic-card:hover{box-shadow:var(--shadow-card-hover);border-color:var(--border-focus);transform:translateY(-2px)}.quant-topic-card.theme-amber{border-top:4px solid var(--amber-accent)}.quant-topic-card.theme-coral{border-top:4px solid var(--coral-accent)}.quant-topic-card.theme-blue{border-top:4px solid var(--blue-accent)}.quant-topic-card.theme-purple{border-top:4px solid var(--purple-accent)}.quant-topic-card.theme-teal{border-top:4px solid var(--teal-accent)}.card-top-row{justify-content:space-between;align-items:center;display:flex}.priority-star-tag{border-radius:var(--radius-pill);background:var(--bg-subtle);color:var(--text-secondary);padding:2px 8px;font-size:.74rem;font-weight:700}.card-actions{align-items:center;gap:6px;display:flex}.done-tag{color:#065f46;border-radius:var(--radius-pill);background:#d1fae5;align-items:center;gap:4px;padding:2px 8px;font-size:.74rem;font-weight:700;display:inline-flex}.card-center{flex-direction:column;gap:6px;display:flex}.card-title{color:var(--text-primary);font-size:1.15rem;font-weight:800}.card-desc{color:var(--text-secondary);font-size:.88rem;line-height:1.5}.card-meta-row{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.meta-pill{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-pill);color:var(--text-secondary);padding:2px 8px;font-size:.72rem;font-weight:600}.card-bottom{border-top:1px solid var(--border-light);padding-top:10px}.study-action-link{color:var(--amber-text);align-items:center;gap:6px;font-size:.84rem;font-weight:700;display:inline-flex}@media (width<=900px){.quant-hero-card{grid-template-columns:1fr}}.quant-topic-detail-page{flex-direction:column;gap:28px;display:flex}.topic-detail-hero{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);flex-direction:column;gap:16px;padding:28px 32px;display:flex}.detail-hero-badge-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.diff-pill{border-radius:var(--radius-pill);background:var(--bg-subtle);color:var(--text-secondary);padding:2px 8px;font-size:.75rem;font-weight:700}.priority-pill{border-radius:var(--radius-pill);background:var(--amber-bg);color:var(--amber-text);padding:2px 8px;font-size:.75rem;font-weight:700}.time-pill{color:var(--text-muted);font-size:.75rem;font-weight:600}.quant-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-subtle);flex-direction:column;gap:16px;padding:24px 28px;display:flex}.concept-text{color:var(--text-primary);font-size:.96rem;line-height:1.6}.formulas-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:14px;display:grid}.formula-box{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-md);flex-direction:column;gap:6px;padding:12px 16px;display:flex}.formula-name{color:var(--text-muted);text-transform:uppercase;font-size:.78rem;font-weight:700}.formula-math{font-family:var(--font-mono);color:var(--blue-text);font-size:.88rem;font-weight:700;line-height:1.4}.shortcuts-list{flex-direction:column;gap:10px;display:flex}.shortcut-item{background:var(--amber-bg);border:1px solid var(--amber-border);border-radius:var(--radius-md);align-items:flex-start;gap:12px;padding:12px 16px;display:flex}.sc-num-badge{flex-shrink:0;font-size:1rem}.sc-text{color:var(--text-primary);font-size:.92rem;font-weight:500;line-height:1.5}.worked-example-box{background:var(--surface-hover);border:1px solid var(--border-light);border-radius:var(--radius-md);flex-direction:column;gap:12px;padding:18px 20px;display:flex}.we-problem-row strong,.we-technique-row strong{color:var(--text-muted);margin-bottom:2px;font-size:.85rem;display:block}.we-problem-row p{color:var(--text-primary);font-size:.96rem;line-height:1.5}.we-technique-row{border-left:3px solid var(--amber-accent);border-radius:0 var(--radius-sm) var(--radius-sm) 0;background:#fff;padding:10px 14px}.we-technique-row p{color:var(--text-primary);font-size:.92rem;line-height:1.5}.we-answer-badge{color:#065f46;border-radius:var(--radius-pill);background:#d1fae5;width:fit-content;padding:4px 12px;font-size:.86rem}.traps-list{flex-direction:column;gap:8px;list-style:none;display:flex}.traps-list li{color:var(--text-secondary);align-items:baseline;gap:8px;font-size:.88rem;line-height:1.45;display:flex}.trap-bullet{background:#e11d48;border-radius:50%;flex-shrink:0;width:5px;height:5px}.placement-tip-box{background:var(--teal-bg);border:1px solid var(--teal-border);border-radius:var(--radius-md);color:var(--teal-text);padding:14px 18px;font-size:.92rem;font-weight:500;line-height:1.55}.quant-bottom-nav{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;padding:20px 24px;display:flex}@media (width<=800px){.detail-grid-two{grid-template-columns:1fr}}.quant-formulas-page{flex-direction:column;gap:28px;display:flex}.formulas-hero-card{background:var(--surface-card);border:1px solid var(--border-light);border-top:5px solid var(--amber-accent);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;padding:28px 32px;display:flex}.formulas-hero-left{flex-direction:column;gap:10px;display:flex}.formulas-kicker{text-transform:uppercase;letter-spacing:.05em;color:var(--amber-text);font-size:.78rem;font-weight:700}.formulas-h1{letter-spacing:-.02em;color:var(--text-primary);font-size:2.1rem;font-weight:800}.formulas-sub{color:var(--text-secondary);max-width:680px;font-size:.95rem}.formula-search-box{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-pill);align-items:center;gap:8px;min-width:280px;padding:8px 16px;display:flex}.formula-search-input{color:var(--text-primary);background:0 0;border:none;outline:none;width:100%;font-family:inherit;font-size:.86rem}.formula-wall-section{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-subtle);flex-direction:column;gap:16px;padding:24px 28px;display:flex}.section-header-row{align-items:center;gap:8px;display:flex}.section-header-row h2{color:var(--text-primary);font-size:1.25rem;font-weight:800}.fractions-grid{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;display:grid}.fraction-pill{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-sm);justify-content:space-between;align-items:center;padding:8px 12px;font-size:.84rem;display:flex}.frac-key{color:var(--text-primary);font-weight:800}.frac-arrow{color:var(--text-muted)}.frac-pct{color:var(--amber-text);font-weight:700}.frac-dec{color:var(--text-muted);font-size:.72rem}.formula-wall-grid-two{grid-template-columns:1fr 1fr;gap:20px;display:grid}.squares-grid,.cubes-grid{flex-direction:column;gap:8px;display:flex}.square-row,.cube-row{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-sm);font-family:var(--font-mono);color:var(--text-primary);grid-template-columns:repeat(4,1fr);gap:8px;padding:8px 12px;font-size:.8rem;font-weight:600;display:grid}.tricks-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;display:grid}.trick-card{background:var(--teal-bg);border:1px solid var(--teal-border);border-radius:var(--radius-md);flex-direction:column;gap:6px;padding:14px 16px;display:flex}.trick-card h4{color:var(--teal-text);font-size:.92rem;font-weight:800}.trick-card p{color:var(--text-primary);font-size:.84rem;line-height:1.45}.topics-formulas-deck{flex-direction:column;gap:20px;display:flex}.topic-formulas-group{flex-direction:column;gap:12px;display:flex}.group-header{border-bottom:1px solid var(--border-light);justify-content:space-between;align-items:baseline;padding-bottom:6px;display:flex}.group-header h3{color:var(--text-primary);font-size:1.05rem;font-weight:800}.group-count{color:var(--text-muted);font-size:.76rem;font-weight:600}.group-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:12px;display:grid}.wall-formula-card{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-sm);flex-direction:column;gap:6px;padding:10px 14px;display:flex}.wfc-top{justify-content:space-between;align-items:center;display:flex}.wfc-name{color:var(--text-muted);text-transform:uppercase;font-size:.74rem;font-weight:700}.wfc-copy-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;padding:2px}.wfc-copy-btn:hover{color:var(--text-primary)}.wfc-math{font-family:var(--font-mono);color:var(--blue-text);font-size:.84rem;font-weight:700;line-height:1.4}.formulas-bottom-banner{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:24px 28px;display:flex}@media (width<=800px){.formula-wall-grid-two{grid-template-columns:1fr}}.quant-practice-page{flex-direction:column;gap:28px;display:flex}.live-scorecard{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-lg);align-items:center;gap:16px;padding:12px 20px;display:flex}.score-stat{flex-direction:column;align-items:center;display:flex}.stat-num{color:var(--text-primary);font-size:1.3rem;font-weight:800;font-family:var(--font-mono)}.stat-lbl{color:var(--text-muted);font-size:.72rem;font-weight:600}.score-divider{background:var(--border-light);width:1px;height:28px}.practice-filter-bar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;display:flex}.filter-group{background:var(--surface-card);border-radius:var(--radius-pill);border:1px solid var(--border-light);align-items:center;gap:6px;padding:4px;display:flex}.questions-container{flex-direction:column;gap:20px;display:flex}.quant-q-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-subtle);transition:var(--transition-smooth);flex-direction:column;gap:16px;padding:24px 26px;display:flex}.quant-q-card.q-correct{background:#fafcfb;border-color:#a7f3d0}.quant-q-card.q-incorrect{background:#fffbfb;border-color:#fecdd3}.q-card-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;display:flex}.q-title-row{align-items:center;gap:8px;display:flex}.q-num-badge{font-family:var(--font-mono);color:#fff;background:#1c1e23;border-radius:4px;padding:2px 8px;font-size:.82rem;font-weight:800}.q-topic-tag{background:var(--bg-subtle);border-radius:var(--radius-pill);color:var(--text-secondary);padding:2px 8px;font-size:.74rem;font-weight:700}.q-timer-badge{color:var(--amber-text);background:var(--amber-bg);border-radius:var(--radius-pill);align-items:center;gap:5px;padding:3px 8px;font-size:.76rem;font-weight:600;display:inline-flex}.q-question-text{color:var(--text-primary);font-size:1rem;font-weight:600;line-height:1.55}.q-options-grid{grid-template-columns:1fr 1fr;gap:10px;margin-top:4px;display:grid}.opt-btn{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-md);color:var(--text-primary);text-align:left;cursor:pointer;transition:var(--transition-smooth);align-items:center;gap:10px;padding:10px 14px;font-family:inherit;font-size:.88rem;font-weight:500;display:flex}.opt-btn:hover:not(:disabled){border-color:var(--border-focus);background:var(--surface-hover)}.opt-btn.is-picked{border-color:var(--amber-accent);background:var(--amber-bg);font-weight:700}.opt-btn.opt-correct{font-weight:700;color:#065f46!important;background:#d1fae5!important;border-color:#059669!important}.opt-btn.opt-wrong{font-weight:700;color:#9f1239!important;background:#ffe4e6!important;border-color:#e11d48!important}.opt-letter{background:#00000014;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:22px;height:22px;font-size:.76rem;font-weight:700;display:flex}.opt-text{flex:1}.opt-status-icon{flex-shrink:0;margin-left:auto}.q-card-footer{justify-content:flex-start;align-items:center;padding-top:6px;display:flex}.submit-ans-btn{color:#fff;border-radius:var(--radius-pill);cursor:pointer;transition:var(--transition-smooth);background:#1c1e23;border:none;padding:8px 20px;font-size:.85rem;font-weight:700}.submit-ans-btn:hover:not(:disabled){opacity:.9;transform:translateY(-1px)}.submit-ans-btn:disabled{opacity:.4;cursor:not-allowed}.feedback-result-row{align-items:center;gap:10px;display:flex}.result-badge{border-radius:var(--radius-pill);align-items:center;gap:6px;padding:4px 12px;font-size:.85rem;font-weight:700;display:inline-flex}.result-badge.correct{color:#065f46;background:#d1fae5}.result-badge.incorrect{color:#9f1239;background:#ffe4e6}.q-explanation-panel{background:var(--amber-bg);border:1px solid var(--amber-border);border-radius:var(--radius-md);flex-direction:column;gap:6px;padding:14px 18px;animation:.2s ease-out fadeIn;display:flex}.explanation-header{color:var(--amber-text);align-items:center;gap:6px;font-size:.84rem;display:flex}.explanation-body{color:var(--text-primary);font-size:.9rem;line-height:1.5}@media (width<=768px){.q-options-grid{grid-template-columns:1fr}}.quant-speed-page{flex-direction:column;gap:28px;display:flex}.speed-hero-card{background:var(--surface-card);border:1px solid var(--border-light);border-top:5px solid var(--amber-accent);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);grid-template-columns:1.2fr .9fr;align-items:center;gap:28px;padding:28px 32px;display:grid}.speed-hero-left{flex-direction:column;gap:10px;display:flex}.speed-kicker{text-transform:uppercase;letter-spacing:.05em;color:var(--amber-text);font-size:.78rem;font-weight:700}.speed-h1{letter-spacing:-.02em;color:var(--text-primary);font-size:2.1rem;font-weight:800}.speed-sub{color:var(--text-secondary);font-size:.95rem}.speed-challenge-banner{color:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-card);background:linear-gradient(135deg,#1e293b 0%,#0f172a 100%);border:1px solid #334155;flex-direction:column;gap:10px;padding:24px;display:flex}.banner-clock-badge{color:#fbbf24;letter-spacing:.05em;align-items:center;gap:6px;font-size:.76rem;font-weight:800;display:inline-flex}.challenge-h2{color:#f8fafc;font-size:1.4rem;font-weight:800;line-height:1.25}.challenge-p{color:#94a3b8;font-size:.84rem;line-height:1.45}.interactive-drill-card{background:var(--surface-card);border:2px solid var(--amber-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);flex-direction:column;gap:16px;padding:24px 28px;display:flex}.drill-header{border-bottom:1px solid var(--border-light);justify-content:space-between;align-items:center;padding-bottom:12px;display:flex}.drill-tag{color:var(--amber-text);align-items:center;gap:6px;font-size:.82rem;font-weight:700;display:inline-flex}.drill-nav-pills{align-items:center;gap:6px;display:flex}.pill-btn{background:var(--bg-subtle);border:1px solid var(--border-light);border-radius:var(--radius-pill);color:var(--text-secondary);cursor:pointer;transition:var(--transition-smooth);padding:4px 10px;font-size:.76rem;font-weight:700}.pill-btn.active{color:#fff;background:#1c1e23;border-color:#1c1e23}.drill-body{flex-direction:column;gap:14px;display:flex}.drill-question{color:var(--text-primary);font-size:1.15rem;font-weight:800;line-height:1.4}.reveal-steps-btn{background:var(--amber-bg);border:1px solid var(--amber-border);color:var(--amber-text);border-radius:var(--radius-pill);cursor:pointer;width:fit-content;transition:var(--transition-smooth);align-items:center;gap:6px;padding:8px 16px;font-size:.85rem;font-weight:700;display:inline-flex}.reveal-steps-btn:hover{background:#fef3c7}.drill-steps-panel{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-md);flex-direction:column;gap:12px;padding:16px 18px;animation:.2s ease-out fadeIn;display:flex}.steps-list{flex-direction:column;gap:8px;display:flex}.step-item{color:var(--text-primary);align-items:baseline;gap:8px;font-size:.9rem;display:flex}.step-dot{color:var(--amber-text);flex-shrink:0;font-size:.82rem;font-weight:700}.drill-final-ans{color:#065f46;border-radius:var(--radius-pill);background:#d1fae5;width:fit-content;padding:6px 14px;font-size:.88rem}.speed-methods-section{flex-direction:column;gap:18px;display:flex}.section-title-row{align-items:center;gap:8px;display:flex}.section-title-row h2{color:var(--text-primary);font-size:1.3rem;font-weight:800}.methods-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px;display:grid}.method-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-subtle);flex-direction:column;gap:10px;padding:20px 22px;display:flex}.method-title{color:var(--text-primary);font-size:1.05rem;font-weight:800}.method-rule{color:var(--text-secondary);font-size:.88rem;line-height:1.45}.method-example-box{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-sm);flex-direction:column;gap:6px;padding:10px 14px;display:flex}.ex-lbl{color:var(--amber-text);font-size:.82rem;font-weight:700}.ex-steps{color:var(--text-primary);flex-direction:column;gap:4px;font-size:.82rem;line-height:1.4;list-style:none;display:flex}.speed-bottom-banner{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:24px 28px;display:flex}@media (width<=850px){.speed-hero-card{grid-template-columns:1fr}}.quant-strategy-page{flex-direction:column;gap:28px;display:flex}.strategy-time-box{background:var(--amber-bg);border:1px solid var(--amber-border);color:var(--amber-text);border-radius:var(--radius-pill);align-items:center;gap:8px;padding:10px 18px;font-size:.88rem;font-weight:700;display:inline-flex}.strategy-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-subtle);flex-direction:column;gap:18px;padding:24px 28px;display:flex}.timeline-cards-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;display:grid}.phase-card{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-md);flex-direction:column;gap:8px;padding:18px 20px;display:flex}.phase-badge-row{justify-content:space-between;align-items:center;display:flex}.phase-tag{color:var(--amber-text);text-transform:uppercase;font-size:.75rem;font-weight:800}.target-pill{background:var(--bg-subtle);border-radius:var(--radius-pill);color:var(--text-secondary);padding:2px 8px;font-size:.72rem;font-weight:700}.phase-title{color:var(--text-primary);font-size:1.05rem;font-weight:800}.phase-action{color:var(--text-secondary);font-size:.86rem;line-height:1.5}.strategy-grid-two{grid-template-columns:1fr 1fr;gap:20px;display:grid}.strategy-items-list{flex-direction:column;gap:12px;display:flex}.strat-item{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-sm);align-items:flex-start;gap:10px;padding:10px 14px;display:flex}.strat-bullet{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:20px;height:20px;font-size:.72rem;font-weight:800;display:flex}.strat-bullet.check{color:#065f46;background:#d1fae5}.strat-bullet.skip{color:#9f1239;background:#ffe4e6}.strat-item strong{color:var(--text-primary);margin-bottom:2px;font-size:.9rem;display:block}.strat-item p{color:var(--text-secondary);font-size:.82rem;line-height:1.4}.weapons-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px;display:grid}.weapon-box{background:var(--blue-bg);border:1px solid var(--blue-border);border-radius:var(--radius-md);flex-direction:column;gap:6px;padding:16px;display:flex}.weapon-box h4{color:var(--blue-text);font-size:.95rem;font-weight:800}.weapon-box p{color:var(--text-primary);font-size:.85rem;line-height:1.45}@media (width<=800px){.strategy-grid-two{grid-template-columns:1fr}}.analytical-hub-page{flex-direction:column;gap:32px;display:flex}.analytical-hero-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);grid-template-columns:1.3fr .8fr;align-items:center;gap:36px;padding:36px 38px 32px;display:grid}.analytical-hero-left{flex-direction:column;gap:14px;display:flex}.analytical-badge-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.analytical-pill-badge{border-radius:var(--radius-pill);background:var(--bg-subtle);color:var(--text-secondary);border:1px solid var(--border-light);align-items:center;gap:6px;padding:4px 12px;font-size:.78rem;font-weight:700;display:inline-flex}.analytical-pill-badge.purple{background:var(--purple-bg);color:var(--purple-text);border-color:var(--purple-border)}.analytical-hero-h1{letter-spacing:-.03em;color:var(--text-primary);font-size:2.6rem;font-weight:800;line-height:1.15}.analytical-hero-subtitle{color:var(--text-secondary);font-size:1.05rem;line-height:1.55}.analytical-highlights-strip{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-md);align-items:center;gap:14px;margin-top:4px;padding:12px 18px;display:flex}.analytical-readiness-card{background:var(--surface-card);border:2px solid var(--purple-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);flex-direction:column;gap:14px;padding:26px 24px;display:flex}.analytical-subnav-bar{background:var(--surface-card);border-radius:var(--radius-pill);border:1px solid var(--border-light);box-shadow:var(--shadow-subtle);align-items:center;gap:8px;padding:6px 10px;display:flex;overflow-x:auto}.analytical-topics-section{flex-direction:column;gap:20px;display:flex}.analytical-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;display:grid}.analytical-topic-card{background:var(--surface-card);border:1px solid var(--border-light);border-top:4px solid var(--purple-accent);border-radius:var(--radius-lg);box-shadow:var(--shadow-subtle);cursor:pointer;transition:var(--transition-smooth);flex-direction:column;justify-content:space-between;gap:14px;padding:22px 22px 18px;display:flex}.analytical-topic-card:hover{box-shadow:var(--shadow-card-hover);border-color:var(--border-focus);transform:translateY(-2px)}.category-pill{border-radius:var(--radius-pill);background:var(--purple-bg);color:var(--purple-text);padding:2px 8px;font-size:.74rem;font-weight:700}.analytical-topic-card .study-action-link{color:var(--purple-text);align-items:center;gap:6px;font-size:.84rem;font-weight:700;display:inline-flex}@media (width<=900px){.analytical-hero-card{grid-template-columns:1fr}}.analytical-topic-detail-page{flex-direction:column;gap:28px;display:flex}.analytical-detail-hero{background:var(--surface-card);border:1px solid var(--border-light);border-top:5px solid var(--purple-accent);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);flex-direction:column;gap:16px;padding:28px 32px;display:flex}.cat-tag{border-radius:var(--radius-pill);background:var(--purple-bg);color:var(--purple-text);padding:2px 8px;font-size:.75rem;font-weight:700}.analytical-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-subtle);flex-direction:column;gap:16px;padding:24px 28px;display:flex}.framework-box{background:var(--bg-main);border-left:3px solid var(--purple-accent);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--text-primary);padding:14px 18px;font-size:.94rem;line-height:1.55}.patterns-covered-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:12px;margin-top:6px;display:grid}.pat-item{background:var(--surface-hover);border:1px solid var(--border-light);border-radius:var(--radius-sm);flex-direction:column;gap:4px;padding:10px 14px;display:flex}.pat-name{color:var(--purple-text);font-size:.82rem;font-weight:700}.pat-ex{font-family:var(--font-mono);color:var(--text-primary);font-size:.8rem}.analytical-bottom-nav{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;padding:20px 24px;display:flex}.analytical-cheatsheet-page{flex-direction:column;gap:28px;display:flex}.cheatsheet-hero-card{background:var(--surface-card);border:1px solid var(--border-light);border-top:5px solid var(--purple-accent);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;padding:28px 32px;display:flex}.jump-practice-btn{background:var(--purple-bg);border:1px solid var(--purple-border);color:var(--purple-text);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-smooth);align-items:center;gap:8px;padding:10px 18px;font-size:.88rem;font-weight:700;display:inline-flex}.jump-practice-btn:hover{background:#ede9fe;transform:translateY(-1px)}.cheatsheet-rules-grid{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:20px;display:grid}.cs-rule-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-subtle);flex-direction:column;gap:12px;padding:22px 24px;display:flex}.cs-card-header{border-bottom:1px solid var(--border-light);align-items:center;gap:8px;padding-bottom:8px;display:flex}.cs-card-header h3{color:var(--text-primary);font-size:1.05rem;font-weight:800}.cs-rules-list{flex-direction:column;gap:8px;list-style:none;display:flex}.cs-rules-list li{color:var(--text-primary);align-items:baseline;gap:8px;font-size:.88rem;line-height:1.5;display:flex}.cs-bullet{flex-shrink:0;font-size:.8rem}.analytical-practice-page{flex-direction:column;gap:28px;display:flex}.analytical-q-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-subtle);transition:var(--transition-smooth);flex-direction:column;gap:16px;padding:24px 26px;display:flex}.analytical-q-card.q-correct{background:#fafcfb;border-color:#a7f3d0}.analytical-q-card.q-incorrect{background:#fffbfb;border-color:#fecdd3}.submit-ans-btn.purple-btn{background:#7c3aed}.submit-ans-btn.purple-btn:hover:not(:disabled){background:#6d28d9}.q-explanation-panel.purple-panel{background:var(--purple-bg);border:1px solid var(--purple-border)}.q-explanation-panel.purple-panel .explanation-header{color:var(--purple-text)}.verbal-hub-page{flex-direction:column;gap:32px;display:flex}.verbal-hero-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);grid-template-columns:1.3fr .8fr;align-items:center;gap:36px;padding:36px 38px 32px;display:grid}.verbal-hero-left{flex-direction:column;gap:14px;display:flex}.verbal-badge-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.verbal-pill-badge{border-radius:var(--radius-pill);background:var(--bg-subtle);color:var(--text-secondary);border:1px solid var(--border-light);align-items:center;gap:6px;padding:4px 12px;font-size:.78rem;font-weight:700;display:inline-flex}.verbal-pill-badge.coral{background:var(--coral-bg);color:var(--coral-text);border-color:var(--coral-border)}.verbal-hero-h1{letter-spacing:-.03em;color:var(--text-primary);font-size:2.6rem;font-weight:800;line-height:1.15}.verbal-hero-subtitle{color:var(--text-secondary);font-size:1.05rem;line-height:1.55}.verbal-highlights-strip{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-md);align-items:center;gap:14px;margin-top:4px;padding:12px 18px;display:flex}.verbal-readiness-card{background:var(--surface-card);border:2px solid var(--coral-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);flex-direction:column;gap:14px;padding:26px 24px;display:flex}.verbal-subnav-bar{background:var(--surface-card);border-radius:var(--radius-pill);border:1px solid var(--border-light);box-shadow:var(--shadow-subtle);align-items:center;gap:8px;padding:6px 10px;display:flex;overflow-x:auto}.verbal-topics-section{flex-direction:column;gap:20px;display:flex}.verbal-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;display:grid}.verbal-topic-card{background:var(--surface-card);border:1px solid var(--border-light);border-top:4px solid var(--coral-accent);border-radius:var(--radius-lg);box-shadow:var(--shadow-subtle);cursor:pointer;transition:var(--transition-smooth);flex-direction:column;justify-content:space-between;gap:14px;padding:22px 22px 18px;display:flex}.verbal-topic-card:hover{box-shadow:var(--shadow-card-hover);border-color:var(--border-focus);transform:translateY(-2px)}.verbal-topic-card .category-pill{border-radius:var(--radius-pill);background:var(--coral-bg);color:var(--coral-text);padding:2px 8px;font-size:.74rem;font-weight:700}.verbal-topic-card .study-action-link{color:var(--coral-text);align-items:center;gap:6px;font-size:.84rem;font-weight:700;display:inline-flex}@media (width<=900px){.verbal-hero-card{grid-template-columns:1fr}}.verbal-topic-detail-page{flex-direction:column;gap:28px;display:flex}.verbal-detail-hero{background:var(--surface-card);border:1px solid var(--border-light);border-top:5px solid var(--coral-accent);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);flex-direction:column;gap:16px;padding:28px 32px;display:flex}.verbal-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-subtle);flex-direction:column;gap:16px;padding:24px 28px;display:flex}.rules-comparison-deck{flex-direction:column;gap:18px;display:flex}.rule-comparison-card{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-md);flex-direction:column;gap:12px;padding:18px 20px;display:flex}.rule-desc-row{align-items:baseline;gap:10px;display:flex}.rule-index-badge{color:#fff;background:#1c1e23;border-radius:4px;flex-shrink:0;padding:2px 8px;font-size:.75rem;font-weight:800}.verbal-topic-detail-page .rule-text{color:var(--text-primary);font-size:.94rem}.comparison-pair-grid{grid-template-columns:1fr 1fr;gap:12px;display:grid}.comp-item{border-radius:var(--radius-sm);flex-direction:column;gap:6px;padding:12px 14px;display:flex}.incorrect-box{background:#ffe4e6;border:1px solid #fecdd3}.correct-box{background:#d1fae5;border:1px solid #a7f3d0}.comp-header{text-transform:uppercase;align-items:center;gap:6px;font-size:.76rem;font-weight:700;display:flex}.incorrect-box .comp-header{color:#9f1239}.correct-box .comp-header{color:#065f46}.comp-sentence{color:var(--text-primary);font-size:.9rem;font-weight:600;line-height:1.45}.rule-trap-alert{background:var(--amber-bg);border:1px solid var(--amber-border);border-radius:var(--radius-sm);color:var(--text-primary);align-items:center;gap:8px;padding:8px 12px;font-size:.84rem;display:flex}.verbal-bottom-nav{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;padding:20px 24px;display:flex}@media (width<=768px){.comparison-pair-grid{grid-template-columns:1fr}}.verbal-cheatsheet-page{flex-direction:column;gap:28px;display:flex}.verbal-cheatsheet-page .cheatsheet-hero-card{border-top:5px solid var(--coral-accent)}.verbal-cheatsheet-page .jump-practice-btn{background:var(--coral-bg);border:1px solid var(--coral-border);color:var(--coral-text)}.verbal-cheatsheet-page .jump-practice-btn:hover{background:#ffe4e6}.verbal-practice-page{flex-direction:column;gap:28px;display:flex}.verbal-q-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-subtle);transition:var(--transition-smooth);flex-direction:column;gap:16px;padding:24px 26px;display:flex}.verbal-q-card.q-correct{background:#fafcfb;border-color:#a7f3d0}.verbal-q-card.q-incorrect{background:#fffbfb;border-color:#fecdd3}.submit-ans-btn.coral-btn{background:#e11d48}.submit-ans-btn.coral-btn:hover:not(:disabled){background:#be123c}.q-explanation-panel.coral-panel{background:var(--coral-bg);border:1px solid var(--coral-border)}.q-explanation-panel.coral-panel .explanation-header{color:var(--coral-text)}.coding-hub-page{flex-direction:column;gap:32px;display:flex}.coding-hero-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);grid-template-columns:1.25fr .85fr;align-items:center;gap:36px;padding:36px 38px 32px;display:grid}.coding-hero-left{flex-direction:column;gap:14px;display:flex}.coding-badge-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.coding-pill-badge{border-radius:var(--radius-pill);background:var(--bg-subtle);color:var(--text-secondary);border:1px solid var(--border-light);align-items:center;gap:6px;padding:4px 12px;font-size:.78rem;font-weight:700;display:inline-flex}.coding-pill-badge.blue{background:var(--blue-bg);color:var(--blue-text);border-color:var(--blue-border)}.coding-hero-h1{letter-spacing:-.03em;color:var(--text-primary);font-size:2.6rem;font-weight:800;line-height:1.15}.coding-hero-subtitle{color:var(--text-secondary);font-size:1.05rem;line-height:1.55}.coding-highlights-grid{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-md);align-items:center;gap:14px;margin-top:4px;padding:12px 18px;display:flex}.highlight-pill-item{flex-direction:column;flex:1;display:flex}.highlight-val{color:var(--text-primary);font-size:1.25rem;font-weight:800;line-height:1.1}.highlight-lbl{color:var(--text-muted);font-size:.72rem;font-weight:600}.highlight-divider{background:var(--border-light);width:1px;height:24px}.coding-hero-timer-card{color:#fff;border-radius:var(--radius-xl);box-shadow:var(--shadow-card);background:linear-gradient(135deg,#1e293b 0%,#0f172a 100%);flex-direction:column;gap:16px;padding:28px 26px;display:flex}.timer-header{justify-content:space-between;align-items:center;display:flex}.timer-badge{color:#93c5fd;align-items:center;gap:6px;font-size:.78rem;font-weight:700;display:inline-flex}.timer-rule{border-radius:var(--radius-pill);color:#cbd5e1;background:#ffffff1f;padding:3px 8px;font-size:.75rem;font-weight:600}.timer-display-box{border-radius:var(--radius-md);background:#00000040;border:1px solid #ffffff1a;flex-direction:column;align-items:center;padding:12px;display:flex}.timer-digits{font-family:var(--font-mono);letter-spacing:2px;color:#38bdf8;text-shadow:0 0 16px #38bdf866;font-size:2.8rem;font-weight:800;line-height:1}.timer-caption{color:#94a3b8;margin-top:4px;font-size:.76rem}.coding-readiness-block{flex-direction:column;gap:6px;display:flex}.readiness-top{justify-content:space-between;align-items:center;display:flex}.readiness-title{text-transform:uppercase;color:#cbd5e1;font-size:.8rem;font-weight:700}.readiness-pct{color:#38bdf8;font-size:1.1rem;font-weight:800}.readiness-sub{color:#94a3b8;font-size:.78rem}.timer-action-buttons{grid-template-columns:1fr 1fr;gap:10px;margin-top:4px;display:grid}.timer-cta-primary{color:#0f172a;border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-smooth);background:#38bdf8;border:none;justify-content:center;align-items:center;gap:6px;padding:10px 14px;font-size:.84rem;font-weight:700;display:flex}.timer-cta-primary:hover{background:#7dd3fc;transform:translateY(-1px)}.timer-cta-secondary{color:#fff;border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-smooth);background:#ffffff1f;border:1px solid #ffffff26;justify-content:center;align-items:center;gap:6px;padding:10px 14px;font-size:.84rem;font-weight:600;display:flex}.timer-cta-secondary:hover{background:#fff3}.coding-subnav-bar{background:var(--surface-card);border-radius:var(--radius-pill);border:1px solid var(--border-light);box-shadow:var(--shadow-subtle);align-items:center;gap:8px;padding:6px 10px;display:flex;overflow-x:auto}.subnav-tab-btn{border-radius:var(--radius-pill);color:var(--text-secondary);cursor:pointer;white-space:nowrap;transition:var(--transition-smooth);background:0 0;border:none;align-items:center;gap:8px;padding:8px 18px;font-family:inherit;font-size:.88rem;font-weight:600;display:inline-flex}.subnav-tab-btn:hover{color:var(--text-primary);background:var(--bg-subtle)}.subnav-tab-btn.active{color:#fff;background:#1c1e23}.patterns-section{flex-direction:column;gap:20px;display:flex}.patterns-toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;display:flex}.patterns-toolbar-left{align-items:baseline;gap:8px;display:flex}.patterns-h2{color:var(--text-primary);font-size:1.5rem;font-weight:800}.patterns-count{color:var(--text-muted);font-size:.88rem}.patterns-filter-group{background:var(--surface-card);border-radius:var(--radius-pill);border:1px solid var(--border-light);align-items:center;gap:6px;padding:4px;display:flex}.patterns-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;display:grid}.pattern-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-subtle);cursor:pointer;transition:var(--transition-smooth);flex-direction:column;justify-content:space-between;gap:14px;padding:22px 22px 18px;display:flex}.pattern-card:hover{box-shadow:var(--shadow-card-hover);border-color:var(--border-focus);transform:translateY(-2px)}.pattern-theme-blue{border-top:4px solid var(--blue-accent)}.pattern-theme-coral{border-top:4px solid var(--coral-accent)}.pattern-theme-purple{border-top:4px solid var(--purple-accent)}.pattern-theme-amber{border-top:4px solid var(--amber-accent)}.pattern-theme-teal{border-top:4px solid var(--teal-accent)}.pattern-card-top{justify-content:space-between;align-items:center;display:flex}.pattern-diff-pill{border-radius:var(--radius-pill);background:var(--bg-subtle);color:var(--text-secondary);padding:2px 8px;font-size:.74rem;font-weight:700}.pattern-top-actions{align-items:center;gap:6px;display:flex}.pattern-bookmark-btn{color:var(--text-muted);cursor:pointer;transition:var(--transition-smooth);background:0 0;border:none;border-radius:4px;padding:4px}.pattern-bookmark-btn:hover{color:var(--text-primary)}.pattern-bookmark-btn.active{color:var(--amber-text)}.pattern-done-pill{color:#065f46;border-radius:var(--radius-pill);background:#d1fae5;align-items:center;gap:4px;padding:2px 8px;font-size:.74rem;font-weight:700;display:inline-flex}.pattern-card-body{flex-direction:column;gap:8px;display:flex}.pattern-card-title{color:var(--text-primary);font-size:1.15rem;font-weight:800}.pattern-card-desc{color:var(--text-secondary);font-size:.88rem;line-height:1.5}.pattern-clues-preview{background:var(--bg-main);border-radius:var(--radius-sm);flex-direction:column;gap:2px;margin-top:4px;padding:8px 10px;display:flex}.clues-label{text-transform:uppercase;color:var(--text-muted);font-size:.7rem;font-weight:700}.clues-text{color:var(--text-primary);font-size:.82rem;font-weight:600}.pattern-card-footer{border-top:1px solid var(--border-light);padding-top:10px}.pattern-explore-btn{color:var(--blue-text);align-items:center;gap:6px;font-size:.84rem;font-weight:700;display:inline-flex}@media (width<=900px){.coding-hero-card{grid-template-columns:1fr}}.coding-pattern-detail-page{flex-direction:column;gap:28px;display:flex}.pattern-detail-hero{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);flex-direction:column;gap:16px;padding:28px 32px;display:flex}.hero-border-blue{border-top:5px solid var(--blue-accent)}.hero-border-coral{border-top:5px solid var(--coral-accent)}.hero-border-purple{border-top:5px solid var(--purple-accent)}.hero-border-amber{border-top:5px solid var(--amber-accent)}.hero-border-teal{border-top:5px solid var(--teal-accent)}.detail-hero-top{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.back-btn{background:var(--bg-subtle);border:1px solid var(--border-light);border-radius:var(--radius-pill);color:var(--text-secondary);cursor:pointer;transition:var(--transition-smooth);align-items:center;gap:6px;padding:6px 14px;font-size:.84rem;font-weight:600;display:inline-flex}.back-btn:hover{color:var(--text-primary);background:#e5e1d8}.detail-hero-actions{align-items:center;gap:8px;display:flex}.action-btn{background:var(--bg-subtle);border:1px solid var(--border-light);border-radius:var(--radius-pill);color:var(--text-secondary);cursor:pointer;transition:var(--transition-smooth);align-items:center;gap:6px;padding:6px 14px;font-size:.84rem;font-weight:600;display:inline-flex}.action-btn.active{background:var(--amber-bg);color:var(--amber-text);border-color:var(--amber-border)}.action-btn.complete-btn.done{color:#065f46;background:#d1fae5;border-color:#a7f3d0}.detail-hero-title-group{flex-direction:column;gap:6px;display:flex}.detail-hero-badge-row{align-items:center;gap:8px;display:flex}.diff-tag{border-radius:var(--radius-pill);background:var(--blue-bg);color:var(--blue-text);padding:2px 8px;font-size:.75rem;font-weight:700}.pattern-id-tag{color:var(--text-muted);font-size:.75rem;font-weight:700}.detail-h1{letter-spacing:-.02em;color:var(--text-primary);font-size:2.1rem;font-weight:800}.detail-summary{color:var(--text-secondary);font-size:1rem;line-height:1.55}.detail-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-subtle);flex-direction:column;gap:16px;padding:24px 28px;display:flex}.card-section-header{align-items:center;gap:8px;display:flex}.card-section-header h2{color:var(--text-primary);font-size:1.25rem;font-weight:800}.card-body-text{color:var(--text-secondary);font-size:.95rem;line-height:1.6}.recognition-clues-box{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-md);flex-direction:column;gap:10px;padding:16px 18px;display:flex}.clues-header-label{text-transform:uppercase;color:var(--text-muted);font-size:.8rem;font-weight:700}.clues-list{flex-direction:column;gap:8px;list-style:none;display:flex}.clues-list li{color:var(--text-primary);align-items:baseline;gap:8px;font-size:.9rem;font-weight:500;display:flex}.clue-dot{background:var(--blue-accent);border-radius:50%;flex-shrink:0;width:6px;height:6px;position:relative;top:-2px}.x-to-y-table-wrap{border:1px solid var(--border-light);border-radius:var(--radius-md);overflow-x:auto}.x-to-y-table{border-collapse:collapse;text-align:left;width:100%;font-size:.88rem}.x-to-y-table th{background:var(--bg-subtle);color:var(--text-primary);border-bottom:1px solid var(--border-light);padding:10px 14px;font-weight:700}.x-to-y-table td{border-bottom:1px solid var(--border-light);color:var(--text-secondary);padding:10px 14px}.x-to-y-table tr:last-child td{border-bottom:none}.think-y-cell{font-weight:600;color:var(--text-primary)!important}.code-template-card{border-radius:var(--radius-md);box-shadow:var(--shadow-card);background:#1e293b;overflow:hidden}.code-template-top{background:#0f172a;border-bottom:1px solid #334155;justify-content:space-between;align-items:center;padding:8px 16px;display:flex}.template-label{text-transform:uppercase;color:#94a3b8;font-size:.75rem;font-weight:700}.copy-code-btn{color:#e2e8f0;border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition-smooth);background:#ffffff1a;border:1px solid #ffffff26;align-items:center;gap:5px;padding:4px 10px;font-size:.78rem;font-weight:600;display:inline-flex}.copy-code-btn:hover{background:#fff3}.code-block{font-family:var(--font-mono);color:#e2e8f0;white-space:pre-wrap;margin:0;padding:18px;font-size:.88rem;line-height:1.55;overflow-x:auto}.example-problem-box{flex-direction:column;gap:14px;display:flex}.problem-statement-text{color:var(--text-primary);font-size:.95rem;line-height:1.55}.io-sample-grid{grid-template-columns:1fr 1fr;gap:12px;display:grid}.io-box{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-sm);flex-direction:column;gap:4px;padding:10px 14px;display:flex}.io-lbl{text-transform:uppercase;color:var(--text-muted);font-size:.72rem;font-weight:700}.io-box code{font-family:var(--font-mono);color:var(--text-primary);font-size:.85rem}.approach-block{background:var(--surface-hover);border-left:3px solid var(--purple-accent);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--text-secondary);padding:10px 14px;font-size:.88rem;line-height:1.5}.approach-block strong{color:var(--text-primary);margin-bottom:2px;display:block}.complexity-badge-pill{background:var(--teal-bg);color:var(--teal-text);border-radius:var(--radius-pill);border:1px solid var(--teal-border);width:fit-content;padding:4px 12px;font-size:.82rem;font-weight:700}.detail-grid-two{grid-template-columns:1fr 1fr;gap:20px;display:grid}.alert-items-list{flex-direction:column;gap:8px;list-style:none;display:flex}.alert-items-list li{color:var(--text-secondary);align-items:baseline;gap:8px;font-size:.88rem;line-height:1.45;display:flex}.bullet-alert{background:#e11d48;border-radius:50%;flex-shrink:0;width:5px;height:5px}.edge-cases-tags-wrap{flex-direction:column;gap:6px;display:flex}.edge-case-tag{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-sm);color:var(--text-primary);align-items:center;gap:8px;padding:8px 12px;font-size:.85rem;font-weight:600;display:flex}.edge-check{color:#059669;font-weight:800}.detail-bottom-nav{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;padding:20px 24px;display:flex}.nav-left,.nav-right{align-items:center;gap:10px;display:flex}.nav-btn{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-md);color:var(--text-primary);cursor:pointer;transition:var(--transition-smooth);align-items:center;gap:6px;padding:8px 16px;font-size:.88rem;font-weight:600;display:inline-flex}.nav-btn:hover{background:var(--bg-subtle);border-color:var(--border-focus)}.complete-toggle-btn{background:var(--blue-bg);border:1px solid var(--blue-border);color:var(--blue-text);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-smooth);align-items:center;gap:6px;padding:8px 18px;font-size:.88rem;font-weight:700;display:inline-flex}.complete-toggle-btn.done{color:#fff;background:#059669;border-color:#059669}@media (width<=900px){.detail-grid-two,.io-sample-grid{grid-template-columns:1fr}}.coding-cheatsheet-page{flex-direction:column;gap:28px;display:flex}.cheatsheet-hero{background:var(--surface-card);border:1px solid var(--border-light);border-top:5px solid var(--blue-accent);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;padding:28px 32px;display:flex}.cheatsheet-hero-left{flex-direction:column;gap:12px;display:flex}.cheatsheet-kicker{text-transform:uppercase;letter-spacing:.05em;color:var(--blue-text);font-size:.78rem;font-weight:700}.cheatsheet-h1{letter-spacing:-.02em;color:var(--text-primary);font-size:2.1rem;font-weight:800}.cheatsheet-sub{color:var(--text-secondary);max-width:680px;font-size:.95rem}.cheatsheet-jump-btn{background:var(--blue-bg);border:1px solid var(--blue-border);color:var(--blue-text);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-smooth);align-items:center;gap:8px;padding:10px 18px;font-size:.88rem;font-weight:700;display:inline-flex}.cheatsheet-jump-btn:hover{background:#dbeafe;transform:translateY(-1px)}.cheatsheet-grid{grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:20px;display:grid}.compact-cs-card{color:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-card);transition:var(--transition-smooth);background:#1e293b;border:1px solid #334155;flex-direction:column;justify-content:space-between;display:flex;overflow:hidden}.compact-cs-card:hover{box-shadow:var(--shadow-card-hover);border-color:#38bdf8;transform:translateY(-2px)}.compact-cs-header{background:#0f172a;border-bottom:1px solid #334155;justify-content:space-between;align-items:flex-start;gap:10px;padding:14px 18px 10px;display:flex}.cs-title-group{flex-direction:column;gap:2px;display:flex}.cs-tag{text-transform:uppercase;color:#38bdf8;font-size:.7rem;font-weight:700}.cs-title{color:#f8fafc;font-size:1rem;font-weight:700}.cs-copy-btn{color:#e2e8f0;border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition-smooth);background:#ffffff1a;border:1px solid #ffffff26;align-items:center;gap:5px;padding:4px 10px;font-size:.75rem;font-weight:600;display:inline-flex}.cs-copy-btn:hover{background:#fff3}.compact-code-pre{font-family:var(--font-mono);color:#e2e8f0;white-space:pre-wrap;flex:1;margin:0;padding:14px 18px;font-size:.82rem;line-height:1.5;overflow-x:auto}.compact-cs-footer{color:#94a3b8;background:#0f172a;border-top:1px solid #334155;padding:8px 18px;font-size:.74rem;font-weight:600}.cheatsheet-bottom-banner{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:24px 28px;display:flex}.coding-practice-page{flex-direction:column;gap:28px;display:flex}.practice-hero-card{background:var(--surface-card);border:1px solid var(--border-light);border-top:5px solid var(--purple-accent);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;padding:28px 32px;display:flex}.practice-hero-left{flex-direction:column;gap:10px;display:flex}.practice-kicker{text-transform:uppercase;letter-spacing:.05em;color:var(--purple-text);font-size:.78rem;font-weight:700}.practice-h1{letter-spacing:-.02em;color:var(--text-primary);font-size:2.1rem;font-weight:800}.practice-sub{color:var(--text-secondary);max-width:680px;font-size:.95rem}.practice-progress-pill{background:var(--blue-bg);border:1px solid var(--blue-border);color:var(--blue-text);border-radius:var(--radius-pill);align-items:center;gap:8px;padding:10px 18px;font-size:.88rem;font-weight:600;display:inline-flex}.practice-toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;display:flex}.toolbar-left{align-items:baseline;gap:8px;display:flex}.toolbar-title{color:var(--text-primary);font-size:1.5rem;font-weight:800}.toolbar-count{color:var(--text-muted);font-size:.88rem}.filter-pills-group{background:var(--surface-card);border-radius:var(--radius-pill);border:1px solid var(--border-light);align-items:center;gap:6px;padding:4px;display:flex}.filter-btn{color:var(--text-secondary);border-radius:var(--radius-pill);cursor:pointer;transition:var(--transition-smooth);background:0 0;border:none;padding:6px 14px;font-family:inherit;font-size:.82rem;font-weight:600}.filter-btn:hover{color:var(--text-primary)}.filter-btn.active{color:#fff;background:#1c1e23}.problems-list-container{flex-direction:column;gap:20px;display:flex}.problem-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-subtle);transition:var(--transition-smooth);flex-direction:column;gap:16px;padding:24px 26px;display:flex}.problem-card:hover{box-shadow:var(--shadow-card)}.problem-card.is-solved{background:#fafcfb;border-color:#a7f3d0}.problem-card-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.problem-title-row{align-items:center;gap:10px;display:flex}.problem-name{color:var(--text-primary);font-size:1.2rem;font-weight:800}.problem-header-actions{align-items:center;gap:12px;display:flex}.problem-tags-row{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.problem-tag-pill{background:var(--bg-subtle);border:1px solid var(--border-light);border-radius:var(--radius-pill);color:var(--text-secondary);padding:2px 8px;font-size:.74rem;font-weight:600}.solve-toggle-btn{background:var(--bg-subtle);border:1px solid var(--border-light);border-radius:var(--radius-pill);color:var(--text-secondary);cursor:pointer;transition:var(--transition-smooth);align-items:center;gap:6px;padding:5px 12px;font-size:.8rem;font-weight:600;display:inline-flex}.solve-toggle-btn:hover{color:var(--text-primary);background:#e5e1d8}.solve-toggle-btn.solved{color:#065f46;background:#d1fae5;border-color:#a7f3d0}.problem-card-body{flex-direction:column;gap:12px;display:flex}.problem-description{color:var(--text-primary);font-size:.95rem;line-height:1.55}.problem-specs-grid{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-sm);grid-template-columns:1fr 1fr;gap:12px;padding:10px 14px;display:grid}.spec-box{flex-direction:column;gap:2px;display:flex}.spec-label{text-transform:uppercase;color:var(--text-muted);font-size:.72rem;font-weight:700}.spec-box code{font-family:var(--font-mono);color:var(--text-primary);font-size:.82rem}.spec-val{color:var(--teal-text);font-size:.82rem;font-weight:700}.example-io-grid{grid-template-columns:1fr 1fr;gap:12px;display:grid}.example-io-box{background:var(--surface-hover);border:1px solid var(--border-light);border-radius:var(--radius-sm);flex-direction:column;gap:4px;padding:10px 14px;display:flex}.io-tag{text-transform:uppercase;color:var(--text-muted);font-size:.72rem;font-weight:700}.example-io-box code{font-family:var(--font-mono);color:var(--text-primary);font-size:.84rem}.problem-card-footer{border-top:1px solid var(--border-light);justify-content:space-between;align-items:center;padding-top:10px;display:flex}.reveal-solution-btn{background:var(--blue-bg);color:var(--blue-text);border:1px solid var(--blue-border);border-radius:var(--radius-pill);cursor:pointer;transition:var(--transition-smooth);align-items:center;gap:6px;padding:7px 16px;font-size:.85rem;font-weight:700;display:inline-flex}.reveal-solution-btn:hover{background:#dbeafe}.copy-solution-btn{background:var(--bg-subtle);border:1px solid var(--border-light);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:var(--transition-smooth);align-items:center;gap:5px;padding:6px 12px;font-size:.8rem;font-weight:600;display:inline-flex}.copy-solution-btn:hover{color:var(--text-primary);background:#e5e1d8}.solution-revealed-panel{color:#fff;border-radius:var(--radius-md);background:#1e293b;flex-direction:column;gap:14px;padding:18px 20px;animation:.2s ease-out fadeIn;display:flex}.approach-explanation-box{color:#e2e8f0;background:#ffffff14;border-left:3px solid #38bdf8;border-radius:0 4px 4px 0;padding:10px 14px;font-size:.88rem;line-height:1.5}.approach-explanation-box strong{color:#38bdf8;margin-bottom:2px;display:block}.solution-pre{font-family:var(--font-mono);color:#e2e8f0;white-space:pre-wrap;margin:0;font-size:.84rem;line-height:1.5;overflow-x:auto}@media (width<=800px){.problem-specs-grid,.example-io-grid{grid-template-columns:1fr}}.coding-strategy-page{flex-direction:column;gap:28px;display:flex}.strategy-hero-card{background:var(--surface-card);border:1px solid var(--border-light);border-top:5px solid var(--blue-accent);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;padding:28px 32px;display:flex}.strategy-hero-left{flex-direction:column;gap:10px;display:flex}.strategy-kicker{text-transform:uppercase;letter-spacing:.05em;color:var(--blue-text);font-size:.78rem;font-weight:700}.strategy-h1{letter-spacing:-.02em;color:var(--text-primary);font-size:2.1rem;font-weight:800}.strategy-sub{color:var(--text-secondary);max-width:680px;font-size:.95rem}.strategy-clock-pill{background:var(--blue-bg);border:1px solid var(--blue-border);color:var(--blue-text);border-radius:var(--radius-pill);align-items:center;gap:8px;padding:10px 18px;font-size:.88rem;font-weight:700;display:inline-flex}.strategy-section-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-subtle);flex-direction:column;gap:20px;padding:26px 30px;display:flex}.strategy-timeline-container{flex-direction:column;gap:0;margin-top:6px;display:flex}.timeline-block{grid-template-columns:140px 40px 1fr;gap:16px;display:grid;position:relative}.timeline-time-col{flex-direction:column;align-items:flex-end;padding-top:4px;display:flex}.timeline-time-pill{color:var(--blue-text);font-size:.88rem;font-weight:800;font-family:var(--font-mono)}.timeline-badge-sub{color:var(--text-muted);font-size:.72rem;font-weight:600}.timeline-connector-col{flex-direction:column;align-items:center;display:flex}.timeline-node-circle{color:#fff;width:30px;height:30px;font-size:.82rem;font-weight:800;font-family:var(--font-mono);z-index:1;background:#1c1e23;border-radius:50%;justify-content:center;align-items:center;display:flex}.timeline-node-line{background:var(--border-light);flex:1;width:2px;min-height:48px;margin:4px 0}.timeline-content-col{flex-direction:column;gap:4px;padding-bottom:28px;display:flex}.timeline-step-title{color:var(--text-primary);font-size:1.1rem;font-weight:800}.timeline-step-desc{color:var(--text-secondary);font-size:.92rem;line-height:1.55}.strategy-advice-grid{grid-template-columns:1fr 1fr;gap:20px;display:grid}.advice-card{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-md);flex-direction:column;gap:6px;padding:18px 20px;display:flex}.advice-card h4{color:var(--text-primary);font-size:1rem;font-weight:800}.advice-card p{color:var(--text-secondary);font-size:.88rem;line-height:1.55}.edge-cases-matrix{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;display:grid}.edge-matrix-item{background:var(--surface-hover);border:1px solid var(--border-light);border-radius:var(--radius-md);align-items:flex-start;gap:12px;padding:14px 16px;display:flex}.edge-num-circle{background:var(--coral-bg);width:26px;height:26px;color:var(--coral-text);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:.78rem;font-weight:800;display:flex}.edge-matrix-item strong{color:var(--text-primary);margin-bottom:2px;font-size:.92rem;display:block}.edge-matrix-item p{color:var(--text-secondary);font-size:.84rem;line-height:1.45}.strategy-bottom-banner{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:24px 28px;display:flex}.banner-left{align-items:center;gap:12px;display:flex}.banner-left h3{color:var(--text-primary);font-size:1.15rem;font-weight:800}.banner-left p{color:var(--text-secondary);font-size:.88rem}@media (width<=768px){.timeline-block{grid-template-columns:80px 30px 1fr;gap:10px}.strategy-advice-grid{grid-template-columns:1fr}}.preparation-hub-page{flex-direction:column;gap:28px;display:flex}.prep-hero-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);grid-template-columns:1.4fr 1fr;align-items:center;gap:32px;padding:32px 36px;display:grid}.prep-badge-row{align-items:center;gap:10px;margin-bottom:12px;display:flex}.prep-pill-badge{border-radius:var(--radius-pill);background:var(--bg-subtle);color:var(--text-secondary);align-items:center;gap:6px;padding:4px 12px;font-size:.8rem;font-weight:700;display:inline-flex}.prep-pill-badge.blue{background:var(--blue-bg);color:var(--blue-text)}.prep-hero-h1{color:var(--text-primary);letter-spacing:-.02em;margin-bottom:12px;font-size:2.3rem;font-weight:900;line-height:1.15}.prep-hero-subtitle{color:var(--text-secondary);margin-bottom:20px;font-size:1rem;line-height:1.6}.prep-hero-actions{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.prep-diagnostic-card{background:var(--bg-subtle);border:1px solid var(--border-light);border-radius:var(--radius-lg);flex-direction:column;gap:14px;padding:24px;display:flex}.prep-diag-header{color:var(--text-primary);align-items:center;gap:8px;font-weight:700;display:flex}.prep-diag-stats{background:var(--surface-card);border-radius:var(--radius-md);border:1px solid var(--border-light);text-align:center;justify-content:space-between;padding:12px 16px;display:flex}.prep-diag-stats div{flex-direction:column;display:flex}.prep-diag-stats strong{color:var(--text-primary);font-size:1.1rem}.prep-diag-stats span{color:var(--text-muted);font-size:.72rem}.path-selector-tabs{gap:12px;margin-bottom:24px;padding-bottom:8px;display:flex;overflow-x:auto}.path-tab-btn{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-smooth);flex-direction:column;align-items:flex-start;gap:4px;min-width:240px;padding:14px 20px;display:flex}.path-tab-btn:hover{border-color:var(--border-focus);transform:translateY(-2px)}.path-tab-btn.active{border-color:var(--blue-accent);background:var(--blue-bg)}.path-tab-badge{text-transform:uppercase;color:var(--blue-text);font-size:.72rem;font-weight:700}.path-tab-title{color:var(--text-primary);font-size:.95rem;font-weight:800}.path-detail-container{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);padding:32px}.path-detail-header{border-bottom:1px solid var(--border-light);justify-content:space-between;align-items:flex-start;margin-bottom:24px;padding-bottom:20px;display:flex}.path-kicker{text-transform:uppercase;color:var(--blue-text);font-size:.8rem;font-weight:700}.path-heading{color:var(--text-primary);margin:4px 0 6px;font-size:1.6rem;font-weight:900}.path-desc{color:var(--text-secondary);font-size:.95rem}.path-time-badge{background:var(--bg-subtle);border-radius:var(--radius-pill);color:var(--text-primary);white-space:nowrap;align-items:center;gap:6px;padding:8px 14px;font-size:.85rem;font-weight:700;display:flex}.path-modules-list{flex-direction:column;gap:24px;display:flex}.path-module-card{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:20px}.path-module-top{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.path-module-title-group{align-items:center;gap:10px;display:flex}.module-idx-badge{color:#fff;background:#1c1e23;border-radius:6px;justify-content:center;align-items:center;width:28px;height:28px;font-size:.8rem;font-weight:800;display:flex}.module-title{color:var(--text-primary);font-size:1.1rem;font-weight:800}.module-meta-badges{align-items:center;gap:8px;display:flex}.module-wt-badge{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-pill);color:var(--text-secondary);padding:3px 8px;font-size:.75rem;font-weight:700}.module-priority-badge{border-radius:var(--radius-pill);padding:3px 10px;font-size:.75rem;font-weight:800}.module-priority-badge.critical{background:var(--coral-bg);color:var(--coral-text)}.module-priority-badge.high{background:var(--amber-bg);color:var(--amber-text)}.module-priority-badge.medium{background:var(--blue-bg);color:var(--blue-text)}.module-topics-grid{grid-template-columns:repeat(2,1fr);gap:12px;display:grid}.module-topic-item{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-smooth);justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.module-topic-item:hover{border-color:var(--border-focus);background:var(--surface-hover);transform:translate(2px)}.module-topic-item.done{background:#f0fdf4;border-color:#a7f3d0}.topic-item-left{align-items:center;gap:10px;display:flex}.topic-bullet-dot{background:var(--border-focus);border-radius:50%;width:8px;height:8px}.topic-item-name{color:var(--text-primary);font-size:.9rem;font-weight:700}.topic-item-right{align-items:center;gap:8px;display:flex}.topic-prio-tag{border-radius:4px;padding:2px 6px;font-size:.7rem;font-weight:800}.topic-prio-tag.critical{background:var(--coral-bg);color:var(--coral-text)}.topic-prio-tag.high{background:var(--amber-bg);color:var(--amber-text)}.topic-prio-tag.medium{background:var(--blue-bg);color:var(--blue-text)}.topic-jump-btn{color:var(--blue-text);font-size:.8rem;font-weight:700}@media (width<=1024px){.prep-hero-card,.module-topics-grid{grid-template-columns:1fr}}.mock-hub-page{flex-direction:column;gap:32px;display:flex}.mock-hero-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);grid-template-columns:1.35fr .75fr;align-items:start;gap:36px;padding:36px 38px 32px;display:grid}.mock-hero-left{flex-direction:column;gap:16px;display:flex}.mock-badge-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.mock-pill-badge{border-radius:var(--radius-pill);background:var(--bg-subtle);color:var(--text-secondary);border:1px solid var(--border-light);align-items:center;gap:6px;padding:4px 12px;font-size:.78rem;font-weight:700;display:inline-flex}.mock-pill-badge.blue{background:var(--blue-bg);color:var(--blue-text);border-color:var(--blue-border)}.mock-hero-h1{letter-spacing:-.03em;color:var(--text-primary);font-size:2.6rem;font-weight:800;line-height:1.15}.mock-hero-subtitle{color:var(--text-secondary);font-size:1.05rem;line-height:1.55}.mock-modules-overview-grid{grid-template-columns:1fr 1fr;gap:16px;margin-top:4px;display:grid}.module-spec-card{border-radius:var(--radius-lg);flex-direction:column;gap:10px;padding:18px 20px;display:flex}.module-spec-card.mod1{background:#eff6ff;border:1.5px solid #bfdbfe}.module-spec-card.mod2{background:#f5f3ff;border:1.5px solid #ddd6fe}.mod-spec-header{justify-content:space-between;align-items:center;display:flex}.mod-pill{text-transform:uppercase;border-radius:4px;padding:2px 8px;font-size:.72rem;font-weight:800}.mod1-pill{color:#fff;background:#3b82f6}.mod2-pill{color:#fff;background:#8b5cf6}.mod-timer-badge{color:var(--text-secondary);align-items:center;gap:4px;font-size:.76rem;font-weight:700;display:inline-flex}.mod-title{color:var(--text-primary);font-size:1.05rem;font-weight:800}.mod-breakdown-list{color:var(--text-secondary);flex-direction:column;gap:4px;font-size:.84rem;display:flex}.mod-total-stat{border-top:1px solid var(--border-light);color:var(--text-primary);padding-top:6px;font-size:.85rem}.mock-hero-cta-row{flex-wrap:wrap;align-items:center;gap:14px;margin-top:6px;display:flex}.start-full-mock-btn{background:var(--blue-accent);color:#fff;border-radius:var(--radius-pill);cursor:pointer;transition:var(--transition-smooth);border:none;align-items:center;gap:10px;padding:14px 26px;font-size:1rem;font-weight:800;display:inline-flex;box-shadow:0 4px 14px #2563eb47}.start-full-mock-btn:hover{background:#1d4ed8;transform:translateY(-2px);box-shadow:0 6px 18px #2563eb5c}.coding-only-mock-btn{background:var(--purple-bg);border:1px solid var(--purple-border);color:var(--purple-text);border-radius:var(--radius-pill);cursor:pointer;transition:var(--transition-smooth);align-items:center;gap:8px;padding:14px 22px;font-size:.92rem;font-weight:700;display:inline-flex}.coding-only-mock-btn:hover{background:#ede9fe;transform:translateY(-1px)}.mock-readiness-snapshot{background:var(--surface-card);border:2px solid var(--blue-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);flex-direction:column;gap:16px;padding:24px 22px;display:flex}.snapshot-header{align-items:center;gap:8px;display:flex}.snapshot-header h3{color:var(--text-primary);font-size:1.05rem;font-weight:800}.overall-score-dial{text-align:center;background:var(--bg-main);border-radius:var(--radius-md);padding:12px}.dial-val{color:var(--blue-accent);font-size:2.2rem;font-weight:900;display:block}.dial-lbl{color:var(--text-secondary);font-size:.78rem;font-weight:600}.sectional-bars-list{flex-direction:column;gap:8px;display:flex}.sec-bar-item{flex-direction:column;gap:4px;display:flex}.sec-bar-label{color:var(--text-primary);justify-content:space-between;font-size:.78rem;font-weight:700;display:flex}.sec-track{background:var(--border-light);border-radius:var(--radius-pill);height:6px;overflow:hidden}.sec-fill{border-radius:var(--radius-pill);height:100%;transition:width .4s}.domain-fill{background:var(--blue-accent)}.coding-fill{background:var(--purple-accent)}.quant-fill{background:var(--amber-accent)}.analytical-fill{background:#8b5cf6}.verbal-fill{background:var(--coral-accent)}.snapshot-actions{grid-template-columns:1fr 1fr;gap:8px;margin-top:4px;display:grid}.practice-weak-btn,.view-results-btn{border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition-smooth);justify-content:center;align-items:center;gap:6px;padding:8px 10px;font-size:.78rem;font-weight:700;display:inline-flex}.practice-weak-btn{background:var(--bg-subtle);border:1px solid var(--border-light);color:var(--text-primary)}.view-results-btn{background:var(--blue-bg);border:1px solid var(--blue-border);color:var(--blue-text)}.mock-quick-options-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;display:grid}.quick-option-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-subtle);cursor:pointer;transition:var(--transition-smooth);align-items:center;gap:16px;padding:22px;display:flex}.quick-option-card:hover{border-color:var(--border-focus);box-shadow:var(--shadow-card-hover);transform:translateY(-2px)}.option-icon-box{border-radius:var(--radius-md);flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;display:flex}.option-icon-box.blue-box{background:var(--blue-bg);color:var(--blue-accent)}.option-icon-box.purple-box{background:var(--purple-bg);color:var(--purple-accent)}.option-icon-box.emerald-box{color:#059669;background:#d1fae5}.option-info{flex-direction:column;flex:1;gap:4px;display:flex}.option-info h3{color:var(--text-primary);font-size:1rem;font-weight:800}.option-info p{color:var(--text-secondary);font-size:.84rem;line-height:1.4}.option-arrow{color:var(--text-muted)}@media (width<=900px){.mock-hero-card,.mock-modules-overview-grid{grid-template-columns:1fr}}.full-mock-exam-container{background:var(--bg-main);border-radius:var(--radius-xl);border:1px solid var(--border-light);height:calc(100vh - 120px);min-height:600px;box-shadow:var(--shadow-card);flex-direction:column;display:flex;overflow:hidden}.mock-exam-header{background:var(--surface-card);border-bottom:1px solid var(--border-light);flex-shrink:0;justify-content:space-between;align-items:center;gap:16px;padding:12px 24px;display:flex}.exam-header-left{align-items:center;gap:14px;display:flex}.exam-title-badge{letter-spacing:.06em;color:#fff;background:#1e293b;border-radius:4px;padding:4px 10px;font-size:.76rem;font-weight:900}.section-indicator{align-items:center;gap:6px;font-size:.88rem;display:flex}.sec-label{color:var(--text-muted)}.sec-val{color:var(--text-primary);font-weight:800}.sec-topic{color:var(--text-secondary);font-size:.82rem}.exam-timer-display{background:var(--blue-bg);border:1px solid var(--blue-border);color:var(--blue-text);border-radius:var(--radius-pill);font-family:var(--font-mono);align-items:center;gap:8px;padding:6px 16px;font-size:1.1rem;font-weight:800;display:inline-flex}.exam-timer-display.timer-warning{color:#b91c1c;background:#fee2e2;border-color:#fecdd3;animation:1.5s infinite pulse-warn}@keyframes pulse-warn{0%,to{opacity:1}50%{opacity:.75}}.exam-header-right{align-items:center;gap:10px;display:flex}.submit-test-btn{background:var(--blue-accent);color:#fff;border-radius:var(--radius-pill);cursor:pointer;transition:var(--transition-smooth);border:none;align-items:center;gap:6px;padding:8px 16px;font-size:.85rem;font-weight:700;display:inline-flex}.submit-test-btn:hover{background:#1d4ed8}.exit-mock-btn{background:var(--bg-subtle);border:1px solid var(--border-light);color:var(--text-secondary);border-radius:var(--radius-pill);cursor:pointer;padding:8px 14px;font-size:.82rem;font-weight:700}.mock-exam-layout{flex:1;grid-template-columns:1fr 340px;display:grid;overflow:hidden}.question-workspace{background:var(--surface-card);border-right:1px solid var(--border-light);flex-direction:column;justify-content:space-between;padding:24px 32px;display:flex;overflow-y:auto}.q-card-top-bar{border-bottom:1px solid var(--border-light);justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:14px;display:flex}.q-index-pill{color:var(--text-primary);font-size:.95rem;font-weight:800}.q-actions-row{align-items:center;gap:8px;display:flex}.mark-review-btn{border-radius:var(--radius-sm);border:1px solid var(--border-light);background:var(--bg-subtle);color:var(--text-secondary);cursor:pointer;align-items:center;gap:6px;padding:6px 12px;font-size:.78rem;font-weight:700;display:inline-flex}.mark-review-btn.active{color:#b45309;background:#fef3c7;border-color:#fde68a}.clear-ans-btn{border-radius:var(--radius-sm);border:1px solid var(--border-light);color:var(--text-muted);cursor:pointer;background:0 0;align-items:center;gap:4px;padding:6px 10px;font-size:.78rem;font-weight:600;display:inline-flex}.clear-ans-btn:hover{color:var(--text-primary);border-color:var(--text-secondary)}.q-content-box{flex-direction:column;gap:22px;margin-bottom:24px;display:flex}.q-text-body{color:var(--text-primary);white-space:pre-line;font-size:1.12rem;font-weight:600;line-height:1.6}.mock-options-list{flex-direction:column;gap:12px;display:flex}.mock-opt-btn{background:var(--bg-main);border:1.5px solid var(--border-light);border-radius:var(--radius-md);color:var(--text-primary);text-align:left;cursor:pointer;transition:var(--transition-smooth);align-items:center;gap:14px;padding:14px 18px;font-size:.96rem;display:flex}.mock-opt-btn:hover{background:var(--surface-hover);border-color:var(--border-focus)}.mock-opt-btn.selected{border-color:var(--blue-accent);color:#1d4ed8;background:#eff6ff;font-weight:700;box-shadow:0 0 0 2px #3b82f626}.opt-marker{background:var(--surface-card);border:1px solid var(--border-light);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;font-size:.84rem;font-weight:800;display:flex}.mock-opt-btn.selected .opt-marker{background:var(--blue-accent);color:#fff;border-color:var(--blue-accent)}.q-nav-footer{border-top:1px solid var(--border-light);justify-content:space-between;align-items:center;margin-top:auto;padding-top:18px;display:flex}.q-nav-btn{border-radius:var(--radius-pill);cursor:pointer;transition:var(--transition-smooth);align-items:center;gap:8px;padding:10px 20px;font-size:.9rem;font-weight:700;display:inline-flex}.prev-btn{background:var(--bg-subtle);border:1px solid var(--border-light);color:var(--text-primary)}.prev-btn:disabled{opacity:.4;cursor:not-allowed}.next-btn{background:var(--blue-accent);color:#fff;border:none}.finish-btn{color:#fff;background:#059669;border:none}.progress-mini-info{color:var(--text-secondary);font-size:.84rem;font-weight:600}.question-palette-sidebar{background:var(--bg-main);flex-direction:column;gap:16px;padding:20px;display:flex;overflow-y:auto}.palette-header{justify-content:space-between;align-items:center;display:flex}.palette-header h3{color:var(--text-primary);font-size:.95rem;font-weight:800}.palette-stats-badge{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-pill);color:var(--text-secondary);padding:2px 8px;font-size:.76rem;font-weight:700}.palette-legend{background:var(--surface-card);border-radius:var(--radius-sm);border:1px solid var(--border-light);flex-direction:column;gap:6px;padding:10px 12px;font-size:.76rem;display:flex}.legend-item{color:var(--text-secondary);align-items:center;gap:8px;display:flex}.legend-dot{border-radius:50%;width:10px;height:10px}.dot-answered{background:#10b981}.dot-unanswered{background:#cbd5e1}.dot-marked{background:#f59e0b}.sec-quick-filters{grid-template-columns:1fr 1fr;gap:6px;display:grid}.sec-tab-btn{background:var(--surface-card);border:1px solid var(--border-light);color:var(--text-secondary);cursor:pointer;border-radius:4px;padding:4px 6px;font-size:.72rem;font-weight:700}.sec-tab-btn:hover{background:var(--blue-bg);color:var(--blue-text)}.palette-grid{grid-template-columns:repeat(5,1fr);gap:6px;display:grid}.palette-cell{border-radius:var(--radius-sm);cursor:pointer;height:34px;transition:var(--transition-smooth);justify-content:center;align-items:center;font-size:.8rem;font-weight:700;display:flex}.cell-unanswered{background:var(--surface-card);border:1px solid var(--border-light);color:var(--text-secondary)}.cell-answered{color:#065f46;background:#d1fae5;border:1.5px solid #10b981}.cell-marked{color:#92400e;background:#fef3c7;border:1.5px solid #f59e0b}.cell-current{box-shadow:0 0 0 2px var(--blue-accent);font-weight:900}.section-transition-backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:999;background:#0f172aa6;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.section-transition-modal{background:var(--surface-card);border-radius:var(--radius-xl);border:1px solid var(--border-light);text-align:center;width:100%;max-width:520px;padding:36px 32px;box-shadow:0 20px 40px #00000040}.transition-icon-box,.complete-icon-box{border-radius:50%;justify-content:center;align-items:center;width:64px;height:64px;margin:0 auto 16px;display:flex}.transition-icon-box{background:#d1fae5}.complete-icon-box{background:var(--blue-bg);color:var(--blue-accent)}.continue-section-btn{background:var(--blue-accent);color:#fff;border-radius:var(--radius-pill);cursor:pointer;border:none;align-items:center;gap:8px;margin-top:20px;padding:12px 24px;font-size:.95rem;font-weight:800;display:inline-flex}.module2-brief-box{border-radius:var(--radius-md);text-align:left;background:#f5f3ff;border:1.5px solid #ddd6fe;margin:20px 0;padding:16px}.mod2-header{justify-content:space-between;margin-bottom:6px;display:flex}.mod2-tag{color:#6d28d9;font-size:.72rem;font-weight:800}.mod2-time{color:var(--text-secondary);align-items:center;gap:4px;font-size:.76rem;font-weight:700;display:inline-flex}.modal-actions-row{flex-direction:column;gap:10px;display:flex}.start-coding-btn{color:#fff;border-radius:var(--radius-pill);cursor:pointer;background:#7c3aed;border:none;justify-content:center;align-items:center;gap:8px;padding:14px 22px;font-size:.96rem;font-weight:800;display:inline-flex}.view-results-now-btn{border:1px solid var(--border-light);color:var(--text-secondary);border-radius:var(--radius-pill);cursor:pointer;background:0 0;padding:10px;font-size:.85rem;font-weight:600}@media (width<=860px){.mock-exam-layout{grid-template-columns:1fr}.question-palette-sidebar{display:none}}.coding-mock-container{background:var(--bg-main);border-radius:var(--radius-xl);border:1px solid var(--border-light);height:calc(100vh - 120px);min-height:600px;box-shadow:var(--shadow-card);flex-direction:column;display:flex;overflow:hidden}.coding-mock-header{background:var(--surface-card);border-bottom:1px solid var(--border-light);flex-shrink:0;justify-content:space-between;align-items:center;gap:16px;padding:12px 24px;display:flex}.header-left{align-items:center;gap:14px;display:flex}.module2-badge{letter-spacing:.06em;color:#fff;background:#6d28d9;border-radius:4px;padding:4px 10px;font-size:.74rem;font-weight:900}.problem-switcher-tabs{gap:6px;display:flex}.prob-tab-btn{border-radius:var(--radius-sm);background:var(--bg-subtle);border:1px solid var(--border-light);color:var(--text-secondary);cursor:pointer;transition:var(--transition-smooth);align-items:center;gap:6px;padding:6px 14px;font-size:.84rem;font-weight:700;display:inline-flex}.prob-tab-btn.active{color:#6d28d9;background:#f5f3ff;border-color:#ddd6fe}.coding-timer{color:#6d28d9;border-radius:var(--radius-pill);font-family:var(--font-mono);background:#f5f3ff;border:1px solid #ddd6fe;align-items:center;gap:8px;padding:6px 16px;font-size:1.1rem;font-weight:800;display:inline-flex}.coding-timer.timer-critical{color:#b91c1c;background:#fee2e2;border-color:#fecdd3}.header-right{align-items:center;gap:10px;display:flex}.run-code-btn{background:var(--surface-card);border:1px solid var(--border-light);color:var(--text-primary);border-radius:var(--radius-pill);cursor:pointer;align-items:center;gap:6px;padding:8px 16px;font-size:.85rem;font-weight:700;display:inline-flex}.submit-coding-btn{color:#fff;border-radius:var(--radius-pill);cursor:pointer;background:#059669;border:none;align-items:center;gap:6px;padding:8px 18px;font-size:.85rem;font-weight:800;display:inline-flex}.coding-mock-body{flex:1;grid-template-columns:440px 1fr;display:grid;overflow:hidden}.problem-desc-panel{background:var(--surface-card);border-right:1px solid var(--border-light);flex-direction:column;display:flex;overflow:hidden}.problem-header-row{border-bottom:1px solid var(--border-light);flex-direction:column;gap:8px;padding:18px 24px 14px;display:flex}.problem-title{color:var(--text-primary);font-size:1.15rem;font-weight:800}.problem-meta-badges{gap:6px;display:flex}.diff-tag{background:var(--blue-bg);color:var(--blue-text);border-radius:var(--radius-pill);padding:2px 8px;font-size:.74rem;font-weight:700}.pattern-tag{color:#6d28d9;border-radius:var(--radius-pill);background:#f5f3ff;padding:2px 8px;font-size:.74rem;font-weight:700}.desc-content-scroll{flex-direction:column;gap:20px;padding:20px 24px;display:flex;overflow-y:auto}.problem-desc-text{color:var(--text-primary);font-size:.94rem;line-height:1.6}.examples-list,.constraints-list{flex-direction:column;gap:10px;display:flex}.examples-list h3,.constraints-list h3{text-transform:uppercase;letter-spacing:.04em;color:var(--text-secondary);font-size:.88rem;font-weight:800}.example-box{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-sm);flex-direction:column;gap:6px;padding:12px 14px;font-size:.86rem;display:flex}.example-box code{font-family:var(--font-mono);background:var(--surface-card);border-radius:4px;padding:2px 6px}.constraints-list ul{flex-direction:column;gap:4px;padding-left:20px;font-size:.86rem;display:flex}.editor-workspace-panel{background:#1e1e1e;flex-direction:column;display:flex;overflow:hidden}.editor-toolbar{background:#252526;border-bottom:1px solid #333;justify-content:space-between;align-items:center;padding:8px 16px;display:flex}.lang-picker{color:#ccc;align-items:center;gap:8px;font-size:.82rem;font-weight:600;display:flex}.lang-select-dropdown{color:#fff;background:#3c3c3c;border:1px solid #555;border-radius:4px;padding:4px 10px;font-size:.82rem}.auto-save-note{color:#888;font-size:.74rem}.code-editor-wrapper{flex:1;position:relative;overflow:hidden}.code-textarea{color:#d4d4d4;width:100%;height:100%;font-family:var(--font-mono);resize:none;background:0 0;border:none;outline:none;padding:16px 20px;font-size:.92rem;line-height:1.6}.console-panel{background:#181818;border-top:1px solid #333;flex-direction:column;height:180px;display:flex}.console-header{background:#252526;border-bottom:1px solid #333;justify-content:space-between;align-items:center;padding:6px 16px;display:flex}.console-tab{color:#ccc;cursor:pointer;background:0 0;border:none;align-items:center;gap:6px;font-size:.8rem;font-weight:700;display:inline-flex}.test-summary-badge.passed{color:#34d399;border-radius:var(--radius-pill);background:#10b98133;padding:2px 8px;font-size:.76rem;font-weight:700}.console-content{flex:1;padding:12px 16px;overflow-y:auto}.no-run-text{color:#888;font-size:.85rem}.testcases-result-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;display:grid}.tc-card{border-radius:var(--radius-sm);background:#252526;border:1px solid #333;flex-direction:column;gap:4px;padding:8px 12px;display:flex}.tc-card.passed{border-color:#065f46}.tc-header{color:#e2e8f0;align-items:center;gap:6px;font-size:.8rem;display:flex}.tc-detail{color:#94a3b8;font-size:.76rem;font-family:var(--font-mono);flex-direction:column;gap:2px;display:flex}@media (width<=900px){.coding-mock-body{grid-template-columns:1fr}.problem-desc-panel{height:300px}}.mock-results-page{flex-direction:column;gap:32px;display:flex}.results-hero-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);grid-template-columns:1.35fr .75fr;align-items:center;gap:36px;padding:36px 38px 32px;display:grid}.results-hero-left{flex-direction:column;gap:14px;display:flex}.celebration-badge-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.verdict-pill{border-radius:var(--radius-pill);background:var(--bg-subtle);color:var(--text-secondary);border:1px solid var(--border-light);align-items:center;gap:6px;padding:4px 12px;font-size:.78rem;font-weight:700;display:inline-flex}.verdict-pill.ready{color:#065f46;background:#d1fae5;border-color:#a7f3d0}.verdict-pill.warning{color:#92400e;background:#fef3c7;border-color:#fde68a}.results-h1{letter-spacing:-.03em;color:var(--text-primary);font-size:2.6rem;font-weight:800;line-height:1.15}.results-subtitle{color:var(--text-secondary);font-size:1rem;line-height:1.55}.key-metrics-grid{grid-template-columns:repeat(4,1fr);gap:12px;margin-top:6px;display:grid}.metric-box{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-md);text-align:center;flex-direction:column;gap:4px;padding:12px;display:flex}.metric-val{font-size:1.4rem;font-weight:800}.metric-lbl{color:var(--text-secondary);font-size:.74rem;font-weight:600}.score-summary-card{background:var(--surface-card);border:2px solid var(--blue-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);text-align:center;flex-direction:column;align-items:center;gap:18px;padding:26px 24px;display:flex}.score-circle-wrapper{background:conic-gradient(var(--blue-accent) 0%, var(--blue-accent) 86%, #e2e8f0 86%, #e2e8f0 100%);border-radius:50%;justify-content:center;align-items:center;width:130px;height:130px;padding:12px;display:flex}.score-circle-inner{background:var(--surface-card);border-radius:50%;flex-direction:column;justify-content:center;align-items:center;width:100%;height:100%;display:flex}.circle-score-num{color:var(--blue-accent);font-size:1.8rem;font-weight:900}.circle-score-lbl{color:var(--text-secondary);font-size:.72rem;font-weight:600}.cta-actions-vertical{flex-direction:column;gap:8px;width:100%;display:flex}.retake-mock-btn{background:var(--blue-accent);color:#fff;border-radius:var(--radius-pill);cursor:pointer;transition:var(--transition-smooth);border:none;justify-content:center;align-items:center;gap:8px;padding:10px 16px;font-size:.88rem;font-weight:700;display:inline-flex}.retake-mock-btn:hover{background:#1d4ed8}.final-revision-btn{background:var(--bg-subtle);border:1px solid var(--border-light);color:var(--text-primary);border-radius:var(--radius-pill);cursor:pointer;justify-content:center;align-items:center;gap:8px;padding:10px 16px;font-size:.88rem;font-weight:700;display:inline-flex}.sectional-breakdown-section{flex-direction:column;gap:18px;display:flex}.sectional-cards-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;display:grid}.sectional-score-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-subtle);flex-direction:column;gap:12px;padding:20px;display:flex}.sec-header{align-items:center;gap:12px;display:flex}.sec-icon-circle{border-radius:50%;justify-content:center;align-items:center;width:38px;height:38px;font-size:1.1rem;display:flex}.sec-icon-circle.purple{background:var(--purple-bg)}.sec-icon-circle.amber{background:var(--amber-bg)}.sec-icon-circle.coral{background:var(--coral-bg)}.sec-icon-circle.blue{background:var(--blue-bg)}.sec-header h3{color:var(--text-primary);font-size:.95rem;font-weight:800}.sec-header span{color:var(--text-secondary);font-size:.76rem}.sec-score-row{color:var(--text-primary);justify-content:space-between;font-size:.9rem;font-weight:800;display:flex}.sec-bar-track{background:var(--border-light);border-radius:var(--radius-pill);height:6px;overflow:hidden}.sec-bar-fill{border-radius:var(--radius-pill);height:100%}.sec-bar-fill.purple{background:#8b5cf6}.sec-bar-fill.amber{background:#f59e0b}.sec-bar-fill.coral{background:#e11d48}.sec-bar-fill.blue{background:#3b82f6}.recommendations-section{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);flex-direction:column;gap:20px;padding:28px 32px;display:flex}.recommendations-header{align-items:flex-start;gap:12px;display:flex}.recommendations-header h2{color:var(--text-primary);font-size:1.25rem;font-weight:800}.recommendations-header p{color:var(--text-secondary);font-size:.88rem}.weak-areas-grid{grid-template-columns:1fr 1fr;gap:14px;display:grid}.weak-area-card{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-smooth);justify-content:space-between;align-items:center;gap:14px;padding:16px 18px;display:flex}.weak-area-card:hover{border-color:var(--border-focus);background:var(--surface-hover);transform:translateY(-1px)}.weak-left{align-items:center;gap:14px;display:flex}.weak-stat-badge{border-radius:var(--radius-sm);text-align:center;background:#fee2e2;border:1px solid #fecdd3;flex-direction:column;padding:6px 10px;display:flex}.weak-pct{color:#b91c1c;font-size:1.1rem;font-weight:900}.weak-lbl{color:#991b1b;text-transform:uppercase;font-size:.68rem;font-weight:700}.weak-details{flex-direction:column;gap:2px;display:flex}.weak-title{color:var(--text-primary);font-size:.92rem;font-weight:800}.weak-action-hint{color:var(--text-secondary);font-size:.78rem}.jump-topic-btn{color:var(--blue-accent);align-items:center;gap:4px;font-size:.8rem;font-weight:700;display:inline-flex}@media (width<=900px){.results-hero-card{grid-template-columns:1fr}.key-metrics-grid{grid-template-columns:repeat(2,1fr)}.weak-areas-grid{grid-template-columns:1fr}}.revision-page{flex-direction:column;gap:32px;display:flex}.revision-hero-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);grid-template-columns:1.35fr .75fr;align-items:center;gap:36px;padding:36px 38px 32px;display:grid}.revision-hero-left{flex-direction:column;gap:14px;display:flex}.revision-badge-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.revision-pill-badge{border-radius:var(--radius-pill);background:var(--bg-subtle);color:var(--text-secondary);border:1px solid var(--border-light);align-items:center;gap:6px;padding:4px 12px;font-size:.78rem;font-weight:700;display:inline-flex}.revision-pill-badge.emerald{color:#065f46;background:#d1fae5;border-color:#a7f3d0}.revision-hero-h1{letter-spacing:-.03em;color:var(--text-primary);font-size:2.6rem;font-weight:800;line-height:1.15}.revision-hero-subtitle{color:var(--text-secondary);font-size:1.05rem;line-height:1.55}.revision-cta-row{flex-wrap:wrap;align-items:center;gap:12px;margin-top:4px;display:flex}.start-mock-now-btn{color:#fff;border-radius:var(--radius-pill);cursor:pointer;transition:var(--transition-smooth);background:#059669;border:none;align-items:center;gap:8px;padding:12px 22px;font-size:.92rem;font-weight:800;display:inline-flex;box-shadow:0 4px 14px #05966940}.start-mock-now-btn:hover{background:#047857;transform:translateY(-2px)}.exam-day-plan-btn{background:var(--bg-subtle);border:1px solid var(--border-light);color:var(--text-primary);border-radius:var(--radius-pill);cursor:pointer;align-items:center;gap:6px;padding:12px 18px;font-size:.88rem;font-weight:700;display:inline-flex}.revision-search-card{background:var(--surface-card);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);border:2px solid #a7f3d0;flex-direction:column;gap:12px;padding:24px 22px;display:flex}.revision-search-card h3{color:var(--text-primary);font-size:.95rem;font-weight:800}.revision-search-input-box{background:var(--bg-main);border:1.5px solid var(--border-light);border-radius:var(--radius-md);color:var(--text-secondary);align-items:center;gap:8px;padding:8px 12px;display:flex}.revision-input{width:100%;color:var(--text-primary);background:0 0;border:none;outline:none;font-size:.86rem}.quick-tags-cloud{flex-wrap:wrap;gap:6px;display:flex}.quick-tags-cloud button{background:var(--bg-subtle);border:1px solid var(--border-light);color:var(--text-secondary);border-radius:var(--radius-pill);cursor:pointer;transition:var(--transition-smooth);padding:3px 8px;font-size:.74rem;font-weight:700}.quick-tags-cloud button:hover{color:#065f46;background:#d1fae5;border-color:#a7f3d0}.revision-filter-tabs{gap:6px;padding-bottom:4px;display:flex;overflow-x:auto}.rev-tab-btn{border-radius:var(--radius-pill);background:var(--surface-card);border:1px solid var(--border-light);color:var(--text-secondary);cursor:pointer;white-space:nowrap;transition:var(--transition-smooth);padding:8px 16px;font-size:.8rem;font-weight:700}.rev-tab-btn.active{color:#fff;background:#1c1e23;border-color:#1c1e23}.revision-sections-container{flex-direction:column;gap:24px;display:flex}.revision-section-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);flex-direction:column;gap:16px;padding:26px 30px;display:flex}.revision-section-card.blue-accent{border-top:5px solid var(--blue-accent)}.revision-section-card.emerald-accent{border-top:5px solid #059669}.revision-section-card.purple-accent{border-top:5px solid var(--purple-accent)}.revision-section-card.amber-accent{border-top:5px solid var(--amber-accent)}.revision-section-card.coral-accent{border-top:5px solid var(--coral-accent)}.sec-header-row{justify-content:space-between;align-items:center;display:flex}.sec-title-group{align-items:center;gap:10px;display:flex}.sec-title-group h2{color:var(--text-primary);font-size:1.2rem;font-weight:800}.sec-icon-badge{border-radius:var(--radius-sm);justify-content:center;align-items:center;width:32px;height:32px;display:flex}.sec-icon-badge.blue{background:var(--blue-bg);color:var(--blue-accent)}.sec-icon-badge.emerald{color:#059669;background:#d1fae5}.sec-icon-badge.purple{background:var(--purple-bg);color:var(--purple-accent)}.sec-icon-badge.amber{background:var(--amber-bg);color:var(--amber-accent)}.sec-icon-badge.coral{background:var(--coral-bg);color:var(--coral-accent)}.revision-items-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:12px;display:grid}.rev-item-card{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-md);flex-direction:column;gap:6px;padding:14px 16px;display:flex}.item-top{justify-content:space-between;align-items:center;display:flex}.item-label{color:var(--text-primary);font-size:.86rem;font-weight:800}.copy-item-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;padding:2px}.copy-item-btn:hover{color:var(--text-primary)}.item-text{color:var(--text-secondary);font-size:.84rem;line-height:1.5}@media (width<=900px){.revision-hero-card{grid-template-columns:1fr}}.progress-page{flex-direction:column;gap:28px;display:flex}.progress-hero-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);grid-template-columns:1.3fr 1fr;align-items:center;gap:32px;padding:32px 36px;display:grid}.progress-hero-h1{color:var(--text-primary);letter-spacing:-.02em;margin-bottom:12px;font-size:2.3rem;font-weight:900;line-height:1.15}.progress-hero-subtitle{color:var(--text-secondary);margin-bottom:20px;font-size:1rem;line-height:1.6}.progress-metrics-grid{grid-template-columns:repeat(4,1fr);gap:16px;display:grid}.metric-summary-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);flex-direction:column;gap:6px;padding:20px;display:flex}.metric-summary-card.accent-blue{border-top:4px solid var(--blue-accent)}.metric-summary-card.accent-emerald{border-top:4px solid var(--teal-accent)}.metric-summary-card.accent-amber{border-top:4px solid var(--amber-accent)}.metric-summary-card.accent-coral{border-top:4px solid var(--coral-accent)}.metric-card-top{color:var(--text-muted);justify-content:space-between;align-items:center;display:flex}.metric-card-val{color:var(--text-primary);font-size:2rem;font-weight:900;line-height:1.1}.metric-card-lbl{color:var(--text-secondary);font-size:.82rem;font-weight:700}.cat-perf-list{flex-direction:column;gap:14px;display:flex}.cat-perf-item{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-md);flex-direction:column;gap:8px;padding:16px 20px;display:flex}.cat-perf-top{justify-content:space-between;align-items:center;font-size:.92rem;font-weight:700;display:flex}.diagnostics-split-grid{grid-template-columns:1fr 1fr;gap:20px;display:grid}.diag-column-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);flex-direction:column;gap:16px;padding:28px;display:flex}.diag-col-header{border-bottom:1px solid var(--border-light);align-items:center;gap:10px;padding-bottom:14px;display:flex}.diag-col-header h3{color:var(--text-primary);font-size:1.15rem;font-weight:800}.diag-empty-box{background:var(--bg-main);border-radius:var(--radius-md);text-align:center;color:var(--text-secondary);padding:24px;font-size:.9rem}.diag-item-row{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-md);justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.diag-item-left{flex-direction:column;gap:2px;display:flex}.diag-item-name{color:var(--text-primary);font-size:.92rem;font-weight:800}.diag-item-stats{color:var(--text-muted);font-size:.78rem}.diag-acc-badge{border-radius:var(--radius-pill);padding:4px 10px;font-size:.85rem;font-weight:800}.diag-acc-badge.weak{background:var(--rose-bg);color:var(--rose-text)}.diag-acc-badge.strong{background:var(--teal-bg);color:var(--teal-text)}.rec-list{flex-direction:column;gap:12px;display:flex}.rec-item-card{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-subtle);transition:var(--transition-smooth);justify-content:space-between;align-items:center;padding:18px 22px;display:flex}.rec-item-card:hover{border-color:var(--border-focus);transform:translate(3px)}.rec-item-left{flex-direction:column;gap:4px;display:flex}.rec-item-title{color:var(--text-primary);font-size:1rem;font-weight:800}.rec-item-reason{color:var(--text-secondary);font-size:.88rem}.reset-progress-card{background:var(--rose-bg);border:1px solid var(--rose-border);border-radius:var(--radius-lg);justify-content:space-between;align-items:center;padding:20px 24px;display:flex}@media (width<=1024px){.progress-hero-card{grid-template-columns:1fr}.progress-metrics-grid{grid-template-columns:repeat(2,1fr)}.diagnostics-split-grid{grid-template-columns:1fr}}@media (width<=640px){.progress-metrics-grid{grid-template-columns:1fr}}.notes-library-page{flex-direction:column;gap:28px;display:flex}.library-hero{background:var(--surface-card);border:1px solid var(--border-light);border-top:5px solid var(--teal-accent);border-radius:var(--radius-xl);box-shadow:var(--shadow-subtle);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;padding:32px 36px;display:flex}.library-hero-left{flex-direction:column;gap:8px;display:flex}.library-badge{background:var(--bg-subtle);border:1px solid var(--border-light);border-radius:var(--radius-pill);text-transform:uppercase;color:var(--text-secondary);align-items:center;gap:6px;width:fit-content;padding:4px 12px;font-size:.76rem;font-weight:700;display:inline-flex}.library-h1{letter-spacing:-.02em;color:var(--text-primary);font-size:2.1rem;font-weight:800}.library-sub{color:var(--text-secondary);max-width:620px;font-size:.96rem}.library-view-tabs{background:var(--bg-main);border-radius:var(--radius-pill);border:1px solid var(--border-light);align-items:center;gap:8px;padding:4px;display:flex}.lib-tab-btn{border-radius:var(--radius-pill);color:var(--text-secondary);cursor:pointer;transition:var(--transition-smooth);background:0 0;border:none;align-items:center;gap:8px;padding:8px 16px;font-family:inherit;font-size:.86rem;font-weight:600;display:inline-flex}.lib-tab-btn.active{color:#fff;background:#1c1e23}.library-toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;display:flex}.library-search-box{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-pill);min-width:280px;box-shadow:var(--shadow-subtle);flex:1;align-items:center;gap:10px;padding:10px 18px;display:flex}.lib-search-icon{color:var(--text-muted)}.library-search-box input{color:var(--text-primary);background:0 0;border:none;outline:none;width:100%;font-family:inherit;font-size:.9rem}.domain-filter-select{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-pill);color:var(--text-primary);cursor:pointer;box-shadow:var(--shadow-subtle);outline:none;padding:10px 18px;font-family:inherit;font-size:.88rem;font-weight:600}.notes-cards-grid{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:20px;display:grid}.note-card-item{background:var(--surface-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-subtle);transition:var(--transition-smooth);flex-direction:column;justify-content:space-between;gap:16px;padding:22px;display:flex}.note-card-item:hover{border-color:var(--border-focus);box-shadow:var(--shadow-card-hover);transform:translateY(-2px)}.note-card-header{justify-content:space-between;align-items:center;display:flex}.note-domain-pill{text-transform:uppercase;background:var(--bg-subtle);color:var(--text-secondary);border-radius:var(--radius-pill);padding:3px 8px;font-size:.72rem;font-weight:700}.note-bookmark-btn{color:var(--text-muted);cursor:pointer;transition:var(--transition-smooth);background:0 0;border:none;border-radius:4px;padding:4px}.note-bookmark-btn.active{color:var(--amber-text)}.note-card-body{cursor:pointer;flex-direction:column;gap:8px;display:flex}.note-card-title{color:var(--text-primary);font-size:1.12rem;font-weight:800}.note-card-snippet{color:var(--text-secondary);font-size:.88rem;line-height:1.5}.note-tags-row{flex-wrap:wrap;align-items:center;gap:6px;margin-top:4px;display:flex}.note-micro-tag{background:var(--bg-main);color:var(--text-muted);border-radius:4px;padding:2px 6px;font-size:.72rem;font-weight:600}.note-card-footer{border-top:1px solid var(--border-light);padding-top:12px}.note-open-btn{color:var(--blue-text);cursor:pointer;background:0 0;border:none;align-items:center;gap:6px;padding:0;font-size:.85rem;font-weight:700;display:inline-flex}.empty-notes-box{background:var(--surface-card);border:1px dashed var(--border-light);border-radius:var(--radius-lg);text-align:center;flex-direction:column;align-items:center;gap:12px;padding:48px 24px;display:flex}.app-container{flex-direction:column;min-height:100vh;display:flex}.main-content{flex:1}
