.mobile-only-back{display:flex!important;align-items:center!important;justify-content:center!important;background:transparent!important;border:none!important;color:var(--primary)!important;cursor:pointer!important;padding:0!important;width:38px!important;height:38px!important;margin-right:8px!important;border-radius:8px!important;transition:all .15s ease!important}.mobile-only-back svg{display:block!important;transform:translateX(-1px)!important}.mobile-only-back:hover{background-color:rgba(99,102,241,.08)!important}html.dark .mobile-only-back:hover{background-color:rgba(99,102,241,.18)!important}.mobile-only-back:active{transform:scale(.9)!important;background-color:rgba(99,102,241,.16)!important}html.dark .mobile-only-back:active{transform:scale(.9)!important;background-color:rgba(99,102,241,.28)!important}@media (max-width:768px){.mobile-only-back{display:flex!important;width:32px!important;height:32px!important;margin-right:4px!important;border-radius:6px!important;align-items:center!important;justify-content:center!important}.mobile-only-back svg{width:20px!important;height:20px!important}.sticky-context-bar{padding:8px 12px;min-height:54px;height:auto;gap:8px;top:calc(56px + env(safe-area-inset-top))!important}.sticky-context-bar.hl-active-header{min-height:54px!important;height:auto!important;padding-left:8px!important;padding-right:8px!important}.sticky-context-bar.hl-active-header .mobile-only-back{width:28px!important;min-width:28px!important;margin-right:2px!important}.sticky-context-bar-left{text-align:left!important;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;margin-left:2px}.sticky-context-bar-title{font-size:15px!important;text-align:left}.sticky-context-bar-meta{font-size:10px!important;text-align:left;color:var(--text-muted)}.back-to-list-btn,.header-progress-btn{display:none!important}}@keyframes slideUpNative{0%{transform:translateY(100%)}to{transform:translateY(0)}}@keyframes fadeInNative{0%{opacity:0}to{opacity:1}}.bottom-sheet-content{animation:slideUpNative .35s cubic-bezier(.16,1,.3,1) forwards}.bottom-sheet-backdrop{animation:fadeInNative .25s ease forwards}.sticky-tab-bar{-ms-overflow-style:none;scroll-snap-type:x mandatory}.sticky-tab-bar button{scroll-snap-align:start}@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap");.student-app{min-height:100vh;background:var(--bg-secondary)}.student-nav{position:sticky;top:0;z-index:100;height:60px;background:var(--bg-primary);border-bottom:1px solid var(--border-primary);display:flex;align-items:center;padding:0 32px;gap:32px;backdrop-filter:blur(8px)}.student-nav-brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}.student-nav-logo{width:32px;height:32px;background:var(--accent);border-radius:8px;display:flex;align-items:center;justify-content:center;color:white;font-weight:800;font-size:14px;letter-spacing:-.5px}.student-nav-title{font-size:15px;font-weight:700;color:var(--text-primary);letter-spacing:-.3px}.student-nav-links{display:flex;align-items:center;gap:4px;flex:1}.student-nav-link{padding:6px 12px;border-radius:6px;font-size:13px;font-weight:500;color:var(--text-secondary);text-decoration:none;transition:all .15s ease}.student-nav-link.active,.student-nav-link:hover{background:var(--bg-hover);color:var(--text-primary)}.student-nav-actions{display:flex;align-items:center;gap:8px;margin-left:auto}.theme-toggle{width:36px;height:36px;border:1px solid var(--border-primary);border-radius:8px;background:var(--bg-primary);color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s ease;font-size:16px}.theme-toggle:hover{background:var(--bg-hover);color:var(--text-primary)}input:-webkit-autofill,input:-webkit-autofill:active,input:-webkit-autofill:focus,input:-webkit-autofill:hover{-webkit-box-shadow:inset 0 0 0 1000px #ffffff!important;-webkit-text-fill-color:#000000!important;transition:background-color 5000s ease-in-out 0s}html.dark input:-webkit-autofill,html.dark input:-webkit-autofill:active,html.dark input:-webkit-autofill:focus,html.dark input:-webkit-autofill:hover{-webkit-box-shadow:inset 0 0 0 1000px #0A0D2C!important;-webkit-text-fill-color:#F3F4F6!important;transition:background-color 5000s ease-in-out 0s}.nav-btn-outline{padding:7px 16px;border-radius:8px;border:1.5px solid var(--border-primary);background:transparent;color:var(--text-primary);font-size:13px;font-weight:600;text-decoration:none;transition:all .15s ease;font-family:var(--font-sans);white-space:nowrap}html.dark .nav-btn-outline{border-color:rgba(255,255,255,.15);color:#F3F4F6}.nav-btn-outline:hover{border-color:var(--primary);color:var(--primary)}.nav-btn-solid{padding:7px 18px;border-radius:8px;background:var(--primary);color:var(--primary-foreground);font-size:13px;font-weight:600;text-decoration:none;transition:opacity .15s ease,background .15s ease;font-family:var(--font-sans);white-space:nowrap}.nav-btn-solid:hover{opacity:.9}.hero{padding:80px 32px 64px;max-width:1200px;margin:0 auto;text-align:center}.hero-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;background:var(--accent-light);color:var(--accent);border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;margin-bottom:24px}.hero h1{font-size:clamp(32px,5vw,52px);font-weight:800;color:var(--text-primary);letter-spacing:-1.5px;line-height:1.1;margin-bottom:20px}.hero h1 .hero-accent{color:var(--accent)}.hero-subtitle{font-size:17px;color:var(--text-secondary);max-width:540px;margin:0 auto 48px;line-height:1.6;font-weight:400}.subjects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;max-width:1200px;margin:0 auto;padding:0 32px 80px}.subject-card{background:var(--bg-card);border:1px solid var(--border-primary);border-radius:16px;padding:28px;text-decoration:none;display:block;transition:all .2s ease;box-shadow:var(--shadow-sm);position:relative;overflow:hidden}.subject-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;border-radius:16px 16px 0 0;background:var(--subject-color,var(--accent));transform:scaleX(0);transform-origin:left;transition:transform .25s ease}.subject-card:hover{border-color:var(--subject-color,var(--accent));box-shadow:var(--shadow-md);transform:translateY(-2px)}.subject-card:hover:before{transform:scaleX(1)}.subject-card-icon{width:48px;height:48px;border-radius:12px;background:var(--subject-bg,var(--accent-bg));display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:18px}.subject-card-paper{font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--subject-color,var(--accent));margin-bottom:6px}.subject-card-name{font-size:17px;font-weight:700;color:var(--text-primary);letter-spacing:-.3px;line-height:1.3;margin-bottom:12px}.subject-card-meta{font-size:13px;color:var(--text-muted)}.subject-card-arrow{position:absolute;bottom:24px;right:24px;width:28px;height:28px;border-radius:50%;background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--text-secondary);transition:all .2s ease}.subject-card:hover .subject-card-arrow{background:var(--subject-color,var(--accent));color:white;transform:translateX(3px)}.stats-bar{max-width:1200px;margin:0 auto 48px;padding:0 32px;display:flex;gap:40px;justify-content:center;flex-wrap:wrap}.stat-item{text-align:center}.stat-value{font-size:28px;font-weight:800;color:var(--text-primary);letter-spacing:-1px;line-height:1}.stat-label{font-size:12px;color:var(--text-muted);margin-top:4px;font-weight:500}.page-header{background:var(--bg-primary);border-bottom:1px solid var(--border-primary);padding:32px}.page-header-inner{max-width:1200px;margin:0 auto}.breadcrumb{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--text-muted);margin-bottom:12px}.breadcrumb a{color:var(--text-muted);text-decoration:none}.breadcrumb a:hover{color:var(--accent)}.breadcrumb-sep{font-size:11px}.page-title{font-size:26px;font-weight:800;color:var(--text-primary);letter-spacing:-.5px;margin-bottom:6px}.page-subtitle{font-size:14px;color:var(--text-secondary)}.subject-page-content{max-width:1200px;margin:40px auto;padding:0 32px;display:grid;grid-template-columns:280px 1fr;gap:32px;align-items:start}.chapter-sidebar{background:var(--bg-card);border:1px solid var(--border-primary);border-radius:14px;overflow:hidden;box-shadow:var(--shadow-sm);position:sticky;top:80px}.sidebar-header{padding:16px 20px;border-bottom:1px solid var(--border-primary);font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted)}.chapter-list{list-style:none;padding:8px}.chapter-list-item a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;text-decoration:none;color:var(--text-secondary);font-size:13px;font-weight:500;transition:all .15s ease}.chapter-list-item a.active,.chapter-list-item a:hover{background:var(--bg-hover);color:var(--text-primary)}.chapter-list-item a.active{background:var(--accent-light);color:var(--accent)}.chapter-num{flex-shrink:0;width:22px;height:22px;border-radius:6px;background:var(--bg-tertiary);font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;color:var(--text-muted)}.topics-panel{display:flex;flex-direction:column;gap:16px}.chapter-section{background:var(--bg-card);border:1px solid var(--border-primary);border-radius:14px;overflow:hidden;box-shadow:var(--shadow-sm)}.chapter-section-header{padding:20px 24px;border-bottom:1px solid var(--border-primary);display:flex;align-items:center;gap:14px}.chapter-section-num{width:34px;height:34px;border-radius:10px;background:var(--accent-bg);color:var(--accent);font-weight:700;font-size:13px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.chapter-section-name{font-size:15px;font-weight:700;color:var(--text-primary);letter-spacing:-.2px}.topic-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1px;background:var(--border-primary)}.topic-card{background:var(--bg-card);padding:16px 20px;text-decoration:none;display:block;transition:background .15s ease}.topic-card:hover{background:var(--bg-hover)}.topic-card-name{font-size:13px;font-weight:600;color:var(--text-primary);margin-bottom:4px;line-height:1.4}.topic-card-count{font-size:12px;color:var(--text-muted)}.practice-page{max-width:900px;margin:40px auto;padding:0 32px}.practice-filters{display:flex;gap:8px;margin-bottom:28px;flex-wrap:wrap}.filter-btn{padding:7px 14px;border-radius:8px;border:1px solid var(--border-primary);background:var(--bg-card);font-size:12px;font-weight:600;cursor:pointer;color:var(--text-secondary);transition:all .15s ease;font-family:var(--font-sans)}.filter-btn.active,.filter-btn:hover{border-color:var(--accent);background:var(--accent-light);color:var(--accent)}.questions-list{display:flex;flex-direction:column;gap:20px}.question-count-bar{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.question-count-label{font-size:13px;color:var(--text-muted);font-weight:500}.question-card{background:var(--bg-card);border:1px solid var(--border-primary);border-radius:14px;overflow:hidden;box-shadow:var(--shadow-sm);transition:box-shadow .2s ease}.question-card:hover{box-shadow:var(--shadow-md)}.question-card-header{padding:14px 20px;align-items:center;gap:10px;flex-wrap:wrap}.question-num{font-size:12px;font-weight:700;color:var(--text-muted);letter-spacing:.05em}.question-type-badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;font-size:11px;font-weight:600;letter-spacing:.03em}.type-mcq{background:#dbeafe;color:#1d4ed8}[data-theme=dark] .type-mcq{background:#1e3a5f;color:#60a5fa}.type-true-false{background:#fef3c7;color:#b45309}[data-theme=dark] .type-true-false{background:#44300a;color:#fbbf24}.type-descriptive{background:#f3e8ff;color:#7c3aed}[data-theme=dark] .type-descriptive{background:#2e1065;color:#c084fc}.question-marks{margin-left:auto;font-size:12px;font-weight:600;color:var(--text-muted);background:var(--bg-tertiary);padding:3px 8px;border-radius:6px}.question-body{padding:24px}.mcq-options{display:flex;flex-direction:column;gap:10px;margin-top:20px}.mcq-option{display:flex;align-items:flex-start;gap:12px;padding:12px 16px;border:1.5px solid var(--border-primary);border-radius:10px;cursor:pointer;transition:all .15s ease;text-align:left;background:transparent;width:100%;font-family:var(--font-sans)}.mcq-option:hover:not(:disabled){border-color:var(--accent);background:var(--accent-bg)}.mcq-option:disabled{cursor:default}.mcq-option.correct{border-color:var(--success);background:var(--success-light)}.mcq-option.wrong{border-color:var(--error);background:var(--error-light)}.mcq-option-label{flex-shrink:0;width:26px;height:26px;border-radius:6px;background:var(--bg-tertiary);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;color:var(--text-muted);transition:all .15s ease}.mcq-option.correct .mcq-option-label{background:var(--success);color:white}.mcq-option.wrong .mcq-option-label{background:var(--error);color:white}.mcq-option-text{font-size:16px;color:var(--text-primary);line-height:1.6;flex:1;text-align:left}.mcq-result-msg{margin-top:14px;padding:10px 14px;border-radius:8px;font-size:13px;font-weight:600;display:flex;align-items:center;gap:8px}.mcq-result-msg.correct{background:var(--success-light);color:var(--success)}.mcq-result-msg.wrong{background:var(--error-light);color:var(--error)}.tf-buttons{display:flex;gap:12px;margin-top:20px}.tf-btn{flex:1;padding:14px 24px;border-radius:10px;border:1.5px solid var(--border-primary);font-size:14px;font-weight:700;cursor:pointer;transition:all .15s ease;background:transparent;color:var(--text-secondary);font-family:var(--font-sans)}.tf-btn:hover:not(:disabled){border-color:var(--accent);color:var(--accent);background:var(--accent-bg)}.tf-btn:disabled{cursor:default}.tf-btn.false-btn.correct,.tf-btn.true-btn.correct{background:var(--success);border-color:var(--success);color:white}.tf-btn.false-btn.wrong,.tf-btn.true-btn.wrong{background:var(--error-light);border-color:var(--error);color:var(--error)}.answer-section{margin-top:20px;border-top:1px solid var(--border-primary);padding-top:16px}.answer-toggle-btn{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:#ffffff;background:#2563eb;border:none;border-radius:8px;cursor:pointer;padding:10px 18px;font-family:var(--font-sans);transition:background .15s ease;letter-spacing:.01em}.answer-toggle-btn:hover{background:#1d4ed8}.answer-toggle-icon{transition:transform .2s ease;font-size:12px}.answer-toggle-icon.open{transform:rotate(180deg)}.answer-divider{margin-top:20px;padding-top:16px;border-top:1px solid var(--border-primary)}.answer-panel{margin-top:16px;padding:20px;background:var(--bg-secondary);border-radius:10px;border:1px solid var(--border-primary);border-left:3px solid var(--accent);animation:slideDown .2s ease}@media (max-width:600px){.answer-panel{padding:12px 10px!important;margin-top:12px!important;border-radius:8px!important}.hl-answer-wrapper table td,.hl-answer-wrapper table th,.hl-question-wrapper table td,.hl-question-wrapper table th,.paper-content td,.paper-content th,.table-responsive table td,.table-responsive table th{padding:5px 6px!important;font-size:13px!important}}@keyframes slideDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.empty-state{text-align:center;padding:80px 40px}.empty-icon{font-size:48px;margin-bottom:16px}.empty-title{font-size:18px;font-weight:700;color:var(--text-primary);margin-bottom:8px}.empty-desc{font-size:14px;color:var(--text-muted)}.skeleton{background:linear-gradient(90deg,var(--bg-tertiary) 25%,var(--bg-hover) 50%,var(--bg-tertiary) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:8px}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@media (max-width:768px){.student-nav{padding:0 16px;gap:16px}.hero{padding:48px 16px 40px}.subjects-grid{padding:0 16px 48px;grid-template-columns:1fr}.stats-bar{padding:0 16px;gap:24px}.subject-page-content{grid-template-columns:1fr;padding:0 16px}.chapter-sidebar{display:none}.practice-page{padding:0 16px}.page-header{padding:20px 16px}.tf-buttons{flex-direction:column}}.site-footer{background:var(--bg-card,#ffffff);border-top:1px solid var(--border-primary,#e2e8f0);margin-top:0}.site-footer-inner{max-width:1100px;margin:0 auto;padding:64px 32px 48px;display:grid;grid-template-columns:1.4fr 1.6fr;gap:64px}.footer-brand-col{display:flex;flex-direction:column;gap:16px}.footer-brand{display:flex;align-items:center;gap:10px}.footer-logo{height:36px;width:auto;display:block;background:transparent;border:none;flex-shrink:0;box-sizing:border-box}.footer-brand-name{font-size:16px;font-weight:800;color:var(--text-primary);letter-spacing:-.3px}.footer-tagline{font-size:13.5px;color:var(--text-secondary);line-height:1.65;max-width:280px}.footer-copy{font-size:12px;color:var(--text-muted);margin-top:auto}.footer-links-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}.footer-col-title{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-primary);margin-bottom:16px}.footer-col-list{list-style:none;display:flex;flex-direction:column;gap:10px}.footer-col-list a{font-size:13.5px;color:var(--text-secondary);text-decoration:none;transition:color .15s ease}.footer-col-list a:hover{color:#090C9B}html.dark .footer-col-list a:hover{color:#60a5fa}.footer-bottom-bar{border-top:1px solid var(--border-primary);padding:16px 32px;text-align:center;font-size:12.5px;color:var(--text-muted)}@media (max-width:768px){.site-footer-inner{grid-template-columns:1fr;gap:40px;padding:40px 20px 32px}.footer-links-grid{grid-template-columns:repeat(2,1fr);gap:24px}.footer-copy{margin-top:8px}.site-footer.hide-on-mobile{display:none!important}}.subject-layout{display:grid;grid-template-columns:240px 1fr;gap:32px}.subject-sidebar{display:block}.mobile-filter-bar{display:none;align-items:center;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--border-primary)}.desktop-only{display:block}@media (max-width:768px){.subject-layout{grid-template-columns:1fr!important;gap:0!important}.subject-sidebar{display:none!important}.mobile-filter-bar{display:flex!important}.desktop-only{display:none!important}}.q-card-link{transition:border-color .25s ease,box-shadow .25s ease,transform .2s ease!important}.q-card-link:hover{box-shadow:var(--shadow-md)!important;transform:translateY(-2px)!important;border-color:var(--primary)!important}.back-to-list-btn:hover{border-color:var(--primary)!important;transform:translateY(-1px)!important;box-shadow:0 4px 12px rgba(99,102,241,.1)!important;background:var(--bg-secondary)!important}.sticky-context-bar{position:sticky;top:58px;z-index:39;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border-primary);padding:0 16px;display:flex;align-items:center;justify-content:space-between;min-height:52px;gap:16px}:root .sticky-context-bar{background:rgba(245,247,255,.88)}html.dark .sticky-context-bar{background:rgba(4,5,21,.85)}.sticky-context-bar-left{display:flex;flex-direction:column;justify-content:center;gap:1px;min-width:0}.sticky-context-bar-title{font-size:14px;font-weight:700;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:-.01em}.sticky-context-bar-meta{font-size:11px;color:var(--text-muted);font-weight:500}.sticky-context-bar-right{display:flex;align-items:center;gap:8px}.sticky-tab-bar{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;padding:10px 0;border-bottom:1px solid var(--border-primary)}.sticky-tab-bar::-webkit-scrollbar{display:none}.question-nav-bar{position:fixed;bottom:calc(24px + env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);display:flex;align-items:center;justify-content:space-between;gap:16px;background:rgba(255,255,255,.7);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);padding:8px 12px;border-radius:20px;border:1px solid rgba(0,0,0,.08);box-shadow:0 4px 24px rgba(0,0,0,.06);z-index:100;width:calc(100% - 40px);max-width:400px}html.dark .question-nav-bar{background:rgba(10,13,44,.75);border-color:rgba(255,255,255,.06);box-shadow:0 4px 24px rgba(0,0,0,.4)}@media (max-width:768px){.back-to-list-btn{display:none!important}}.q-nav-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:10px;border:1.5px solid var(--border-primary);background:var(--bg-card);color:var(--text-primary);font-size:13px;font-weight:600;font-family:inherit;cursor:pointer;width:90px;justify-content:center;transition:background .15s,border-color .15s,transform .1s}.q-nav-btn:hover{background:var(--bg-secondary);border-color:var(--primary);color:var(--primary);transform:translateY(-1px)}.q-nav-btn:active{transform:translateY(0)}.q-nav-counter{font-size:14px;font-weight:700;color:var(--text-primary);letter-spacing:.03em;min-width:64px;text-align:center}.filter-checkbox-list{display:flex;flex-direction:column;gap:4px;max-height:180px;overflow-y:auto;padding-right:4px}.filter-checkbox-list::-webkit-scrollbar{width:4px}.filter-checkbox-list::-webkit-scrollbar-track{background:transparent}.filter-checkbox-list::-webkit-scrollbar-thumb{background:var(--border-primary);border-radius:99px}.filter-checkbox-list::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.filter-checkbox-item{display:flex;align-items:center;gap:10px;padding:6px 8px;border-radius:8px;font-size:13px;color:var(--text-secondary);cursor:pointer;transition:all .15s ease;user-select:none;border:1px solid transparent}.filter-checkbox-item:hover{background:var(--bg-secondary);color:var(--text-primary)}.filter-checkbox-item.checked{background:rgba(99,102,241,.06);color:var(--primary);font-weight:500}.filter-checkbox-input{appearance:none;-webkit-appearance:none;width:16px;height:16px;border:1.5px solid var(--text-muted);border-radius:4px;outline:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s ease;background:transparent;flex-shrink:0;opacity:.7}html.dark .filter-checkbox-input{border-color:rgba(255,255,255,.4)}.filter-checkbox-input:checked{background:var(--primary);border-color:var(--primary);opacity:1}html.dark .filter-checkbox-input:checked{border-color:var(--primary)}.filter-checkbox-input:before{content:"";width:9px;height:6px;border-left:2px solid white;border-bottom:2px solid white;transform:rotate(-45deg) translateY(-1px) scale(0);transition:transform .15s ease}.filter-checkbox-input:checked:before{transform:rotate(-45deg) translateY(-1px) scale(1)}.filter-checkbox-item:hover .filter-checkbox-input{border-color:var(--primary);opacity:1}.tooltip-trigger{position:relative}.tooltip-trigger:hover .tooltip-content{opacity:1!important;pointer-events:auto!important;visibility:visible!important}.mobile-bottom-nav{display:none;position:fixed;bottom:0;left:0;right:0;background:var(--bg-primary);border-top:1px solid var(--border-primary);z-index:1000;padding-bottom:env(safe-area-inset-bottom);flex-direction:row;justify-content:space-around;align-items:center;height:calc(56px + env(safe-area-inset-bottom))}@supports (backdrop-filter:blur(10px)){.mobile-bottom-nav{background:rgba(255,255,255,.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}html.dark .mobile-bottom-nav{background:rgba(10,13,44,.85)}}.bottom-nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;color:var(--text-muted);flex:1;height:100%;text-decoration:none;font-size:10px;font-weight:600;transition:color .15s}.bottom-nav-item.active{color:var(--primary)}@media (max-width:768px){.mobile-bottom-nav{display:flex}.app-nav-links{display:none!important}.app-nav-actions{gap:4px}.nav-btn-outline,.nav-btn-solid{padding:6px 12px;font-size:12px}main{padding-bottom:calc(70px + env(safe-area-inset-bottom))}.app-nav{position:sticky;top:0;z-index:200;padding:0;background:transparent}.app-nav-inner{max-width:100%!important;width:100%;border-radius:0!important;box-shadow:none!important;border-bottom:1px solid var(--border-primary);height:56px!important;background:rgba(255,255,255,.9)!important;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);padding:env(safe-area-inset-top) 16px 0!important}html.dark .app-nav-inner{background:rgba(10,13,44,.9)!important;box-shadow:none!important;border-bottom-color:rgba(255,255,255,.08)!important}}.dashboard-root{width:100%;max-width:1100px;margin:0 auto;padding:40px 28px 100px}.dashboard-greeting-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px;gap:16px}.dashboard-greeting-label{font-size:14px;font-weight:500;color:var(--text-muted);margin-bottom:4px}.dashboard-greeting-name{font-size:clamp(1.6rem,4vw,2.4rem);font-weight:800;color:var(--text-primary);letter-spacing:-.03em;line-height:1.1}.dashboard-streak-chip{display:flex;align-items:center;gap:10px;background:var(--bg-card);border:1px solid var(--border-primary);border-radius:14px;padding:10px 16px;flex-shrink:0;box-shadow:var(--shadow-sm)}.dashboard-streak-icon{font-size:22px;line-height:1}.dashboard-streak-number{font-size:20px;font-weight:800;color:var(--text-primary);line-height:1}.dashboard-streak-sub{font-size:11px;color:var(--text-muted);font-weight:500;margin-top:2px}.dashboard-grid{display:grid;grid-template-columns:1fr 380px;gap:20px;align-items:start}.dashboard-col-left,.dashboard-col-right{display:flex;flex-direction:column;gap:16px}.dashboard-card{background:var(--bg-card);border:1px solid var(--border-primary);border-radius:16px;padding:20px 24px;box-shadow:var(--shadow-sm)}.dashboard-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.dashboard-card-title{font-size:13px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.07em}.dashboard-card-count{font-size:12px;font-weight:600;color:var(--text-muted);background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:999px;padding:2px 10px}.dashboard-card-link{font-size:12px;font-weight:600;color:var(--primary);text-decoration:none;transition:opacity .15s}.dashboard-card-link:hover{opacity:.7}.dashboard-resume-card{display:flex;align-items:center;justify-content:space-between;gap:16px;background:var(--primary);border-radius:16px;padding:20px 24px;text-decoration:none;transition:transform .18s ease,box-shadow .18s ease;box-shadow:0 8px 24px rgba(9,12,155,.25)}html.dark .dashboard-resume-card{background:linear-gradient(135deg,#1a1e5a,#0d1040);box-shadow:0 8px 32px rgba(99,102,241,.2);border:1px solid #2b3175}.dashboard-resume-card:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(9,12,155,.35)}html.dark .dashboard-resume-card:hover{box-shadow:0 12px 40px rgba(99,102,241,.3)}.dashboard-resume-card--empty{background:var(--bg-card);border:1.5px dashed var(--border-secondary);box-shadow:none}.dashboard-resume-card--empty:hover{border-color:var(--primary);box-shadow:var(--shadow-md)}.dashboard-resume-inner{display:flex;align-items:center;gap:14px;min-width:0}.dashboard-resume-icon{font-size:28px;flex-shrink:0;line-height:1}.dashboard-resume-text{min-width:0}.dashboard-resume-eyebrow{font-size:11px;font-weight:600;color:rgba(255,255,255,.65);text-transform:uppercase;letter-spacing:.06em;margin-bottom:3px}.dashboard-resume-card--empty .dashboard-resume-eyebrow{color:var(--text-muted)}.dashboard-resume-subject{font-size:16px;font-weight:800;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.dashboard-resume-card--empty .dashboard-resume-subject{color:var(--text-primary)}.dashboard-resume-meta{font-size:12px;color:rgba(255,255,255,.6);margin-top:2px}.dashboard-resume-card--empty .dashboard-resume-meta{color:var(--text-muted)}.dashboard-resume-cta{font-size:13px;font-weight:700;color:rgba(255,255,255,.85);white-space:nowrap;flex-shrink:0}.dashboard-resume-card--empty .dashboard-resume-cta{color:var(--primary)}.dashboard-stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.dashboard-stat-card{background:var(--bg-card);border:1px solid var(--border-primary);border-radius:14px;padding:16px 12px;text-align:center;box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .18s ease}.dashboard-stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.dashboard-stat-icon{font-size:20px;margin-bottom:6px}.dashboard-stat-value{font-size:1.55rem;font-weight:800;color:var(--text-primary);line-height:1}.dashboard-stat-label{font-size:11px;color:var(--text-muted);font-weight:500;margin-top:4px;line-height:1.3}.dashboard-activity-chart{display:flex;align-items:flex-end;gap:6px;height:72px}.dashboard-activity-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:5px;height:100%;justify-content:flex-end}.dashboard-activity-bar-wrap{width:100%;flex:1;display:flex;align-items:flex-end}.dashboard-activity-bar{width:100%;min-height:4px;border-radius:5px 5px 3px 3px;background:var(--border-primary);transition:height .4s cubic-bezier(.34,1.56,.64,1)}.dashboard-activity-bar.active{background:var(--accent-old)}.dashboard-activity-bar.active.today{background:var(--accent-hover)}html.dark .dashboard-activity-bar.active{background:#6366F1}html.dark .dashboard-activity-bar.active.today{background:#818CF8}.dashboard-activity-label{font-size:10px;color:var(--text-muted);font-weight:500}.dashboard-activity-label.today{color:var(--accent-old);font-weight:700}.dashboard-subjects-list{display:flex;flex-direction:column;gap:14px}.dashboard-subject-row{display:flex;flex-direction:column;gap:5px;text-decoration:none;padding:10px 12px;border-radius:10px;transition:background .15s ease}.dashboard-subject-row:hover{background:var(--bg-hover)}.dashboard-subject-row-top{display:flex;align-items:center;justify-content:space-between}.dashboard-subject-name{font-size:13px;font-weight:600;color:var(--text-primary);display:flex;align-items:center;gap:7px}.dashboard-subject-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.dashboard-subject-pct{font-size:13px;font-weight:700;color:var(--text-primary)}.dashboard-progress-track{height:6px;border-radius:999px;background:var(--border-primary);overflow:hidden}.dashboard-progress-fill{height:100%;border-radius:999px;transition:width .6s cubic-bezier(.34,1.56,.64,1);min-width:3px}.dashboard-subject-meta{font-size:11px;color:var(--text-muted);font-weight:500}.dashboard-quick-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.dashboard-quick-tile{display:flex;flex-direction:column;gap:6px;padding:14px;border-radius:12px;border:1px solid var(--border-primary);background:var(--bg-secondary);text-decoration:none;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.dashboard-quick-tile:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--tile-color,var(--primary))}.dashboard-quick-paper{font-size:11px;font-weight:800;color:var(--tile-color,var(--primary));text-transform:uppercase;letter-spacing:.06em}.dashboard-quick-name{font-size:12px;font-weight:700;color:var(--text-primary);line-height:1.3;flex:1}.dashboard-quick-bar{height:4px;border-radius:999px;background:var(--border-primary);overflow:hidden}.dashboard-quick-bar-fill{height:100%;border-radius:999px;transition:width .5s ease;min-width:3px}.dashboard-quick-count{font-size:11px;color:var(--text-muted);font-weight:500}.dashboard-empty-hint{font-size:13px;color:var(--text-muted);text-align:center;padding:12px 0}.skeleton{background:var(--border-primary);animation:skeletonPulse 1.4s ease-in-out infinite}@keyframes skeletonPulse{0%,to{opacity:1}50%{opacity:.45}}@media (max-width:900px){.dashboard-grid{grid-template-columns:1fr 300px;gap:16px}}@media (max-width:680px){.dashboard-root{padding:24px 16px 88px}.dashboard-grid{grid-template-columns:1fr}.dashboard-col-right{order:2}.dashboard-greeting-row{margin-bottom:20px}.dashboard-greeting-name{font-size:1.6rem}.dashboard-streak-chip{padding:8px 12px}.dashboard-streak-number{font-size:17px}.dashboard-streak-icon{font-size:18px}.dashboard-resume-card{flex-direction:column;align-items:flex-start;padding:18px}.dashboard-resume-cta{align-self:flex-end;margin-top:4px}.dashboard-stats-row{gap:8px}.dashboard-stat-card{padding:14px 8px}.dashboard-stat-icon{font-size:17px}.dashboard-stat-value{font-size:1.3rem}.dashboard-stat-label{font-size:10px}.dashboard-activity-chart{height:60px}.dashboard-quick-grid{grid-template-columns:1fr;gap:12px}.dashboard-quick-name{font-size:13px}}.profile-auth-gate{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:100px 32px;gap:16px}.profile-auth-icon{font-size:3rem}.profile-auth-title{font-size:1.5rem;font-weight:800;color:var(--text-primary);letter-spacing:-.02em}.profile-auth-sub{font-size:14px;color:var(--text-muted);max-width:320px;line-height:1.65}.profile-auth-btn-primary{padding:10px 24px;background:#090C9B;color:#fff;border-radius:10px;font-weight:700;font-size:14px;text-decoration:none;transition:background .15s}.profile-auth-btn-primary:hover{background:#1789FC}.profile-auth-btn-outline{padding:10px 24px;background:transparent;color:var(--text-primary);border:1.5px solid var(--border-primary);border-radius:10px;font-weight:700;font-size:14px;text-decoration:none;transition:border-color .15s,background .15s}.profile-auth-btn-outline:hover{border-color:var(--text-muted);background:var(--bg-secondary)}.profile-root{width:100%;max-width:1000px;margin:0 auto;padding:40px 24px 100px}.profile-page-header{margin-bottom:32px}.profile-back-link{font-size:13px;color:var(--text-muted);text-decoration:none;display:inline-block;margin-bottom:10px;transition:color .15s}.profile-back-link:hover,.profile-page-title{color:var(--text-primary)}.profile-page-title{font-size:1.9rem;font-weight:800;letter-spacing:-.03em;margin-bottom:4px;line-height:1.15}.profile-page-sub{font-size:14px;color:var(--text-muted)}.profile-grid{display:grid;grid-template-columns:320px 1fr;gap:24px;align-items:start}.profile-col-left,.profile-col-right{display:flex;flex-direction:column;gap:24px}.profile-card{background:var(--bg-card);border:1px solid var(--border-primary);border-radius:20px;padding:24px;box-shadow:0 4px 20px -2px rgba(9,12,155,.05),0 2px 6px -1px rgba(9,12,155,.03);transition:all .2s ease}html.dark .profile-card{background:#111827;border-color:rgba(255,255,255,.08);box-shadow:0 4px 24px -2px rgba(0,0,0,.4)}.profile-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.profile-card-title{font-size:15px;font-weight:700;color:var(--text-primary);letter-spacing:-.01em}.profile-card-link{font-size:13px;color:#090C9B;text-decoration:none;font-weight:600;transition:color .15s}.profile-card-link:hover{color:#1789FC}html.dark .profile-card-link{color:#818CF8}html.dark .profile-card-link:hover{color:#a5b4fc}.profile-avatar-card{display:flex;flex-direction:column;align-items:center;text-align:center;gap:0;padding:36px 24px 28px;background:linear-gradient(180deg,rgba(9,12,155,.03) 0,var(--bg-card) 50%);position:relative;overflow:hidden}html.dark .profile-avatar-card{background:linear-gradient(180deg,rgba(23,137,252,.06),#111827 50%)}.profile-avatar-ring{width:96px;height:96px;border-radius:50%;background:linear-gradient(135deg,#090C9B,#1789FC);display:flex;align-items:center;justify-content:center;margin-bottom:16px;box-shadow:0 8px 24px -4px rgba(9,12,155,.35);border:3px solid #ffffff;position:relative;flex-shrink:0;transition:transform .2s ease,box-shadow .2s ease}html.dark .profile-avatar-ring{border-color:#1f2937;box-shadow:0 8px 24px -4px rgba(23,137,252,.4)}.profile-avatar-ring:hover{transform:scale(1.03);box-shadow:0 12px 28px -4px rgba(9,12,155,.42)}.profile-avatar{font-size:2rem;font-weight:800;color:#fff;letter-spacing:-.02em;user-select:none}.profile-avatar-camera-pill{position:absolute;bottom:-2px;right:-2px;width:32px;height:32px;border-radius:50%;background:#090C9B;border:2.5px solid #ffffff;display:flex;align-items:center;justify-content:center;color:#ffffff;box-shadow:0 2px 8px rgba(0,0,0,.2);transition:all .2s ease;cursor:pointer}html.dark .profile-avatar-camera-pill{border-color:#1f2937;background:#1789FC}.profile-avatar-ring:hover .profile-avatar-camera-pill{background:#1789FC;transform:scale(1.1)}.profile-name-display-row{display:flex;align-items:center;gap:8px;margin-bottom:4px}.profile-display-name{font-size:1.3rem;font-weight:800;color:var(--text-primary);letter-spacing:-.02em}.profile-edit-icon-btn{background:none;border:none;cursor:pointer;font-size:14px;padding:4px 6px;border-radius:6px;opacity:.5;transition:opacity .15s,background .15s;line-height:1}.profile-edit-icon-btn:hover{opacity:1;background:var(--bg-secondary)}.profile-name-edit-row{display:flex;flex-direction:column;align-items:center;gap:8px;width:100%;margin-bottom:6px}.profile-name-input{width:100%;max-width:220px;padding:8px 12px;border:1.5px solid var(--border-focus);border-radius:8px;font-size:14px;font-weight:600;color:var(--text-primary);background:var(--bg-input);outline:none;text-align:center;font-family:inherit;transition:box-shadow .15s}.profile-name-input:focus{box-shadow:0 0 0 3px rgba(9,12,155,.12)}html.dark .profile-name-input:focus{box-shadow:0 0 0 3px rgba(99,102,241,.18)}.profile-edit-actions{display:flex;gap:8px}.profile-save-btn{padding:6px 16px;background:#090C9B;color:#fff;border:none;border-radius:7px;font-size:13px;font-weight:700;cursor:pointer;font-family:inherit;transition:background .15s}.profile-save-btn:hover:not(:disabled){background:#1789FC}.profile-save-btn:disabled{opacity:.5;cursor:default}.profile-cancel-btn{padding:6px 14px;background:transparent;color:var(--text-muted);border:1.5px solid var(--border-primary);border-radius:7px;font-size:13px;font-weight:600;cursor:pointer;font-family:inherit;transition:background .15s,color .15s}.profile-cancel-btn:hover:not(:disabled){background:var(--bg-secondary);color:var(--text-primary)}.profile-save-error{font-size:12px;color:var(--error);margin:0}.profile-success-toast{font-size:12px;font-weight:600;color:var(--success);background:var(--success-light);padding:5px 12px;border-radius:999px;margin-bottom:4px;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.profile-email{font-size:13px;color:var(--text-muted);margin-bottom:4px;word-break:break-word}.profile-joined{font-size:12px;color:var(--text-muted);opacity:.7}.profile-stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}.profile-stat-card{background:var(--bg-card);border:1px solid var(--border-primary);border-radius:14px;padding:18px 12px;text-align:center;transition:box-shadow .18s,transform .18s}.profile-stat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.profile-stat-icon{font-size:1.5rem;margin-bottom:6px}.profile-stat-value{font-size:1.5rem;font-weight:800;color:var(--text-primary);line-height:1;letter-spacing:-.02em}.profile-stat-label{font-size:11px;color:var(--text-muted);margin-top:5px;font-weight:500}.profile-signout-card{padding:18px 22px;border-color:var(--border-primary)}.profile-signout-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}.profile-signout-title{font-size:14px;font-weight:700;color:var(--text-primary)}.profile-signout-sub{font-size:12px;color:var(--text-muted);margin-top:2px}.profile-signout-btn{padding:8px 18px;background:transparent;color:#dc2626;border:1.5px solid #dc2626;border-radius:9px;font-size:13px;font-weight:700;cursor:pointer;font-family:inherit;white-space:nowrap;transition:background .15s,color .15s;flex-shrink:0}.profile-signout-btn:hover:not(:disabled){background:#dc2626;color:#fff}.profile-signout-btn:disabled{opacity:.5;cursor:default}.profile-overall-bar-wrap{margin-bottom:20px;padding-bottom:20px;border-bottom:1px solid var(--border-primary)}.profile-overall-bar-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.profile-overall-label{font-size:13px;color:var(--text-secondary);font-weight:500}.profile-overall-pct{font-size:14px;font-weight:800;color:var(--text-primary)}.profile-overall-track{height:10px;border-radius:999px;background:var(--border-primary);overflow:hidden}.profile-overall-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,#090C9B,#1789FC);transition:width .6s cubic-bezier(.4,0,.2,1)}.profile-subjects-list{display:flex;flex-direction:column;gap:16px}.profile-subject-row{display:block;text-decoration:none;cursor:pointer;padding:8px 12px;border-radius:10px;border:1px solid transparent;transition:background .15s,border-color .15s}.profile-subject-row:hover{background:var(--bg-secondary);border-color:var(--border-primary)}.profile-subject-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.profile-subject-name{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--text-primary)}.profile-subject-dot{width:8px;height:8px;border-radius:50%;display:inline-block;flex-shrink:0}.profile-subject-paper-badge{font-size:9px;font-weight:700;color:var(--text-muted);background:var(--bg-secondary);border:1px solid var(--border-primary);padding:1px 5px;border-radius:4px;margin-left:6px;text-transform:uppercase;letter-spacing:.02em}.profile-subject-pct{font-size:12px;font-weight:600;color:var(--text-muted)}.profile-progress-track{height:4px;border-radius:999px;background:var(--border-primary);overflow:hidden}.profile-progress-fill{height:100%;border-radius:999px;transition:width .5s ease}.profile-empty-hint{font-size:13px;color:var(--text-muted);text-align:center;padding:24px 0;line-height:1.6}.profile-actions-list{display:flex;flex-direction:column;gap:8px}.profile-action-row{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:10px;background:var(--bg-secondary);border:1px solid var(--border-primary);text-decoration:none;transition:background .15s,border-color .15s,transform .15s,box-shadow .15s}.profile-action-row:hover{background:var(--bg-card);border-color:var(--border-primary);transform:translateY(-1px);box-shadow:var(--shadow-sm)}.profile-action-icon{font-size:1.15rem;display:flex;align-items:center;justify-content:center;flex-shrink:0}.profile-action-label{font-size:13px;font-weight:600;color:var(--text-primary);flex:1}.profile-action-arrow{font-size:14px;color:var(--text-muted);flex-shrink:0;transition:transform .15s,color .15s}.profile-action-row:hover .profile-action-arrow{transform:translateX(3px);color:var(--text-primary)}@media (max-width:720px){.profile-root{padding:24px 16px 100px}.profile-back-link{display:none}.profile-grid{grid-template-columns:1fr}.profile-page-title{font-size:1.5rem}.profile-avatar-ring{width:76px;height:76px}.profile-avatar{font-size:1.5rem}.profile-display-name{font-size:1.05rem}}@media (max-width:400px){.profile-stats-grid{grid-template-columns:1fr 1fr}.profile-stat-value{font-size:1.3rem}}.practice-hub-root{max-width:980px;margin:0 auto;padding:28px 24px 80px}.practice-hub-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.practice-subject-card{display:flex;flex-direction:column;justify-content:space-between;min-height:168px;background:var(--bg-card);border:1px solid var(--border-primary);border-radius:20px;padding:24px 26px 20px;text-decoration:none;color:inherit;position:relative;overflow:hidden;box-shadow:0 1px 3px rgba(0,0,0,.02),0 6px 16px -4px rgba(0,0,0,.03);transition:transform .24s cubic-bezier(.16,1,.3,1),box-shadow .24s cubic-bezier(.16,1,.3,1),border-color .24s cubic-bezier(.16,1,.3,1);cursor:pointer}.practice-card-spotlight{position:absolute;top:-35px;right:-35px;width:190px;height:190px;border-radius:50%;background:radial-gradient(circle,var(--card-glow-color,rgba(9,12,155,.18)) 0,transparent 70%);opacity:.72;pointer-events:none;transition:opacity .25s ease,transform .25s ease}.practice-subject-card:hover .practice-card-spotlight{opacity:1;transform:scale(1.25)}.practice-subject-card:hover{transform:translateY(-3px);border-color:var(--card-border-hover,var(--card-accent));box-shadow:0 16px 36px -10px var(--card-badge-shadow,rgba(0,0,0,.14)),0 2px 6px rgba(0,0,0,.03)}html.dark .practice-subject-card{background:linear-gradient(180deg,rgba(255,255,255,.035) 0,rgba(255,255,255,.01) 100%),var(--bg-card);border:1px solid rgba(255,255,255,.09);box-shadow:inset 0 1px 0 0 rgba(255,255,255,.06),0 4px 20px -2px rgba(0,0,0,.5)}html.dark .practice-card-spotlight{background:radial-gradient(circle,var(--card-glow-color-dark,rgba(129,140,248,.25)) 0,transparent 70%);opacity:.65}html.dark .practice-subject-card:hover{border-color:var(--card-border-hover-dark,var(--card-accent-dark));box-shadow:inset 0 1px 0 0 rgba(255,255,255,.12),0 20px 44px -10px var(--card-badge-shadow-dark,rgba(0,0,0,.7)),0 0 24px -6px var(--card-glow-color-dark,rgba(129,140,248,.3))}html.dark .practice-subject-card:hover .practice-card-spotlight{opacity:1;transform:scale(1.35)}.practice-card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;position:relative;z-index:1}.practice-card-badge{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.06em;padding:4.5px 11px;border-radius:8px;background:var(--card-badge-gradient,var(--card-accent));color:#ffffff;box-shadow:0 2px 8px -1px var(--card-badge-shadow,rgba(0,0,0,.25));transition:transform .2s ease,box-shadow .2s ease}.practice-subject-card:hover .practice-card-badge{transform:translateY(-1px);box-shadow:0 4px 12px -1px var(--card-badge-shadow,rgba(0,0,0,.35))}html.dark .practice-card-badge{background:var(--card-badge-gradient-dark,var(--card-accent-dark));box-shadow:0 2px 10px -1px var(--card-badge-shadow-dark,rgba(0,0,0,.5))}html.dark .practice-subject-card:hover .practice-card-badge{box-shadow:0 4px 14px -1px var(--card-badge-shadow-dark,rgba(0,0,0,.6))}.practice-card-icon-wrap{width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;background:var(--card-icon-bg,rgba(9,12,155,.08));border:1px solid rgba(0,0,0,.04);transition:transform .2s cubic-bezier(.16,1,.3,1)}html.dark .practice-card-icon-wrap{background:var(--card-icon-bg-dark,rgba(255,255,255,.06));border:1px solid rgba(255,255,255,.1)}html.dark .practice-card-icon-wrap svg{color:var(--card-icon-color-dark,var(--card-accent-dark))!important}.practice-subject-card:hover .practice-card-icon-wrap{transform:scale(1.08)}.practice-card-body{margin-bottom:18px;flex:1;position:relative;z-index:1}.practice-card-name{font-size:1.25rem;font-weight:800;color:var(--text-primary);letter-spacing:-.022em;line-height:1.25;margin:0}html.dark .practice-card-name{color:#f8fafc}.practice-card-stats{display:flex;align-items:center;gap:8px;padding-top:14px;border-top:1px solid var(--border-primary);margin-top:auto;font-size:12.5px;color:var(--text-muted);font-weight:500;position:relative;z-index:1}html.dark .practice-card-stats{border-top-color:rgba(255,255,255,.08);color:#94a3b8}.practice-stat-chip{display:inline-flex;align-items:center;gap:6px}.practice-stat-dot{width:5px;height:5px;border-radius:50%;background:var(--card-accent,#090C9B);opacity:.7}html.dark .practice-stat-dot{background:var(--card-accent-dark,#818cf8);box-shadow:0 0 6px var(--card-accent-dark,#818cf8);opacity:1}.practice-stat-divider{color:var(--text-muted);opacity:.4;font-weight:700}html.dark .practice-stat-divider{color:rgba(255,255,255,.25)}.practice-coming-soon-wrapper{position:relative;border-radius:20px;overflow:hidden;margin-top:16px}.practice-coming-soon-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:rgba(15,23,42,.05);backdrop-filter:blur(4px);padding:20px}html.dark .practice-coming-soon-overlay{background:rgba(15,23,42,.4)}.practice-coming-soon-modal{background:var(--bg-card);border:1.5px solid var(--border-primary);border-radius:20px;padding:32px 36px;text-align:center;box-shadow:0 16px 40px -10px rgba(0,0,0,.12);max-width:420px;width:100%}.practice-coming-soon-title{font-size:1.15rem;font-weight:800;color:var(--text-primary);margin-bottom:8px}.practice-coming-soon-desc{font-size:13px;color:var(--text-muted);line-height:1.6;margin-bottom:20px}.practice-coming-soon-switch{display:inline-block;margin-top:14px;font-size:12px;font-weight:600;color:var(--text-muted);text-decoration:none;transition:color .15s ease}.practice-coming-soon-switch:hover{color:var(--primary)}@media (max-width:640px){.practice-hub-root{padding:20px 16px 100px}.practice-hub-grid{grid-template-columns:1fr;gap:12px}.practice-subject-card{padding:18px 20px 16px;border-radius:14px;min-height:auto}.practice-card-name{font-size:1.05rem}}.bookmark-btn{display:inline-flex;align-items:center;justify-content:center;transition:all .2s cubic-bezier(.34,1.56,.64,1)!important;border-radius:6px}.bookmark-btn:hover{transform:scale(1.18)}.bookmark-btn:active{transform:scale(.9)}.bookmark-btn svg{transition:all .2s cubic-bezier(.4,0,.2,1)}.bookmark-btn:hover svg.bookmark-icon-unselected{stroke:var(--primary);filter:drop-shadow(0 2px 5px rgba(9,12,155,.15))}.bm-subject-pills{display:flex;gap:8px;overflow-x:auto;padding:6px 4px 10px;margin-left:-4px;margin-right:-4px;margin-bottom:0;scrollbar-width:none;-ms-overflow-style:none;scroll-snap-type:x mandatory}.bm-subject-pills::-webkit-scrollbar{display:none}.bm-subject-pill{flex-shrink:0;scroll-snap-align:start;padding:8px 16px;border-radius:999px;border:1.5px solid var(--border-primary);background:var(--bg-card);color:var(--text-secondary);font-size:13px;font-weight:700;cursor:pointer;font-family:inherit;white-space:nowrap;transition:all .18s cubic-bezier(.4,0,.2,1)}.bm-subject-pill:hover{border-color:var(--primary);color:var(--primary);background:rgba(99,102,241,.06)}.bm-subject-pill.active{background:var(--primary);border-color:var(--primary);color:var(--primary-foreground);box-shadow:0 2px 10px rgba(99,102,241,.3)}@keyframes bm-remove{0%{opacity:1;transform:translateX(0) scaleY(1);max-height:400px}50%{opacity:0;transform:translateX(6px) scaleY(.97)}to{opacity:0;transform:translateX(10px) scaleY(.9);max-height:0;margin-bottom:0;overflow:hidden}}.bm-card-removing{animation:bm-remove .38s cubic-bezier(.4,0,.6,1) forwards;pointer-events:none;overflow:hidden}.bm-empty-state{flex-direction:column;text-align:center;padding:80px 24px;min-height:60vh}.bm-empty-icon,.bm-empty-state{display:flex;align-items:center;justify-content:center}.bm-empty-icon{width:100px;height:100px;border-radius:50%;background:var(--bg-secondary);border:2px solid var(--border-primary);margin-bottom:24px;color:var(--text-muted)}.bm-empty-title{font-size:1.5rem;font-weight:800;color:var(--text-primary);margin:0 0 12px;letter-spacing:-.3px}.bm-empty-body{color:var(--text-muted);font-size:14px;max-width:340px;line-height:1.7;margin:0 0 28px}.bm-empty-cta{display:inline-flex;align-items:center;gap:8px;padding:13px 30px;border-radius:12px;background:var(--primary);font-weight:700;font-size:14px;text-decoration:none;transition:opacity .15s,transform .15s;box-shadow:0 4px 16px rgba(99,102,241,.3)}.bm-empty-cta,.bm-empty-cta:hover{color:var(--primary-foreground)!important}.bm-empty-cta:hover{opacity:.9;transform:translateY(-1px)}@keyframes bm-skeleton-pulse{0%,to{opacity:.6}50%{opacity:1}}.bm-skeleton{height:110px;border-radius:12px;background:var(--bg-secondary);margin-bottom:16px;animation:bm-skeleton-pulse 1.4s ease-in-out infinite}.bm-groups-row{display:flex;gap:8px;overflow-x:auto;padding:6px 4px 10px;margin-left:-4px;margin-right:-4px;margin-bottom:10px;scrollbar-width:none;-ms-overflow-style:none}.bm-groups-row::-webkit-scrollbar{display:none}.bm-group-pill{display:inline-flex;align-items:center;gap:7px;padding:8px 16px 8px 12px;border-radius:999px;border:2px solid rgba(153,0,0,.45);background:var(--bg-card);color:#990000;font-size:13px;font-weight:700;cursor:pointer;font-family:inherit;white-space:nowrap;flex-shrink:0;transition:all .18s cubic-bezier(.4,0,.2,1)}html.dark .bm-group-pill{border-color:rgba(255,77,77,.45);color:#ff4d4d}.bm-group-pill:hover{border-color:#990000;color:#800000;background:rgba(153,0,0,.05)}html.dark .bm-group-pill:hover{border-color:#ff4d4d;color:#ff4d4d;background:rgba(255,77,77,.05)}.bm-group-pill.active{background:#990000!important;border-color:#990000!important;color:#ffffff!important}.bm-group-pill.active .bm-pill-all-dot{background:#ffffff!important;opacity:1}.bm-group-pill.active .bm-group-dot{background:#ffffff!important}.bm-group-dot{transition:background-color .15s ease}.bm-group-dot,.bm-pill-all-dot{width:9px;height:9px;border-radius:50%;flex-shrink:0;display:inline-block}.bm-pill-all-dot{background:#990000;opacity:.8;transition:background-color .15s ease,opacity .15s ease}html.dark .bm-pill-all-dot{background:#ff4d4d}.bm-card-dots{display:flex;align-items:center;gap:3px}.bm-group-dot-card{width:7px;height:7px;border-radius:50%;display:inline-block;flex-shrink:0;box-shadow:0 1px 3px rgba(0,0,0,.2)}.bm-group-dot-more{font-size:9px;font-weight:700;color:var(--text-muted);line-height:1}.bm-modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.55);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);z-index:1200;animation:bm-fade-in .18s ease}.bm-modal{position:fixed;z-index:1201;background:var(--bg-card);border:1px solid var(--border-primary);border-radius:20px;box-shadow:0 24px 80px rgba(0,0,0,.35);display:flex;flex-direction:column;overflow:hidden;animation:bm-modal-in .22s cubic-bezier(.34,1.56,.64,1);top:50%;left:50%;transform:translate(-50%,-50%);width:min(420px,calc(100vw - 32px));max-height:min(560px,calc(100vh - 80px))}@media (max-width:600px){.bm-modal{top:auto;left:0;right:0;bottom:0;transform:none;width:100%;max-height:80vh;border-radius:20px 20px 0 0;animation:bm-sheet-in .28s cubic-bezier(.34,1.56,.64,1)}}@keyframes bm-fade-in{0%{opacity:0}to{opacity:1}}@keyframes bm-modal-in{0%{opacity:0;transform:translate(-50%,-48%) scale(.96)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}@keyframes bm-sheet-in{0%{transform:translateY(100%)}to{transform:translateY(0)}}.bm-modal-header{display:flex;align-items:center;justify-content:space-between;padding:18px 20px 14px;border-bottom:1px solid var(--border-primary);flex-shrink:0}.bm-modal-title{font-size:14px;font-weight:800;color:var(--text-primary);letter-spacing:-.2px;display:flex;align-items:center;gap:8px}.bm-modal-close{background:none;border:none;cursor:pointer;color:var(--text-muted);padding:4px;border-radius:6px;display:flex;align-items:center;transition:all .15s}.bm-modal-close:hover{color:var(--text-primary);background:var(--bg-secondary)}.bm-modal-body{flex:1;overflow-y:auto;padding:14px 20px;gap:6px;overscroll-behavior:contain}.bm-modal-body,.bm-modal-loading{display:flex;flex-direction:column}.bm-modal-loading{gap:8px}.bm-modal-empty p{font-size:13px;color:var(--text-muted);text-align:center;padding:16px 0}.bm-modal-groups{display:flex;flex-direction:column;gap:2px}.bm-modal-group-row{display:flex;align-items:center;border-radius:10px;transition:background .12s;padding:2px 0}.bm-modal-group-row:hover{background:var(--bg-secondary)}.bm-group-label{display:flex;align-items:center;gap:10px;flex:1;cursor:pointer;padding:8px 10px;border-radius:10px;user-select:none;font-size:13px;font-weight:600;color:var(--text-primary)}.bm-group-checkbox{-webkit-appearance:none;appearance:none;width:17px;height:17px;border-radius:4px;border:1.5px solid #2563eb;background-color:#ffffff;cursor:pointer;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;position:relative;transition:all .15s ease-in-out;outline:none}.bm-group-checkbox:hover{border-color:#1d4ed8;box-shadow:0 0 0 3px rgba(37,99,235,.15)}.bm-group-checkbox:after{content:"";width:8px;height:4px;border-left:2px solid #ffffff;border-bottom:2px solid #ffffff;transform:rotate(-45deg) translate(.5px,-.5px);opacity:0;transition:opacity .1s ease}.bm-group-checkbox:checked{background-color:#2563eb;border-color:#2563eb}.bm-group-checkbox:checked:after{opacity:1}.bm-group-checkbox:focus-visible{box-shadow:0 0 0 3px rgba(37,99,235,.3)}html.dark .bm-group-checkbox{background-color:#1f1f2e;border-color:#3b82f6}html.dark .bm-group-checkbox:hover{border-color:#60a5fa;box-shadow:0 0 0 3px rgba(59,130,246,.2)}html.dark .bm-group-checkbox:checked{background-color:#3b82f6;border-color:#3b82f6}.bm-group-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.bm-group-count{font-size:11px;color:var(--text-muted);font-weight:600}.bm-group-actions{display:flex;align-items:center;gap:2px;opacity:0;transition:opacity .15s;padding-right:6px}.bm-modal-group-row:hover .bm-group-actions{opacity:1}.bm-group-action-btn{background:none;border:none;cursor:pointer;padding:5px;border-radius:6px;color:var(--text-muted);display:flex;align-items:center;transition:all .15s}.bm-group-action-btn:hover{color:var(--text-primary);background:var(--bg-tertiary)}.bm-group-delete-btn:hover{color:#f43f5e!important;background:rgba(244,63,94,.1)!important}.bm-group-edit-form{display:flex;flex-direction:column;gap:10px;padding:10px;background:var(--bg-secondary);border-radius:10px;width:100%}.bm-group-name-input{width:100%;padding:8px 12px;border-radius:8px;border:1.5px solid var(--border-primary);background:var(--bg-card);color:var(--text-primary);font-size:13px;font-family:inherit;font-weight:600;outline:none;transition:border-color .15s;box-sizing:border-box}.bm-group-name-input:focus{border-color:var(--primary)}.bm-group-edit-actions{display:flex;gap:8px;justify-content:flex-end}.bm-color-palette{display:flex;flex-wrap:wrap;gap:7px}.bm-color-swatch{width:22px;height:22px;border-radius:50%;border:2.5px solid transparent;cursor:pointer;transition:all .15s;flex-shrink:0;outline:none}.bm-color-swatch:hover{transform:scale(1.15)}.bm-color-swatch.selected{border-color:var(--text-primary);box-shadow:0 0 0 2px var(--bg-card),0 0 0 4px var(--text-primary)}.bm-add-group-btn{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border-radius:10px;border:1.5px dashed var(--border-primary);background:transparent;color:var(--text-secondary);font-size:13px;font-weight:600;cursor:pointer;font-family:inherit;transition:all .15s;margin-top:6px;width:100%;justify-content:center}.bm-add-group-btn:hover{border-color:var(--primary);color:var(--primary);background:rgba(99,102,241,.06)}.bm-new-group-form{display:flex;flex-direction:column;gap:10px;padding:14px;background:var(--bg-secondary);border-radius:12px;border:1.5px solid var(--border-primary);margin-top:6px}.bm-limit-note{font-size:11px;color:var(--text-muted);text-align:center;padding:6px 0;margin:0}.bm-form-error{font-size:12px;color:#f43f5e;margin:0;font-weight:600}.bm-modal-footer{padding:14px 20px 18px;border-top:1px solid var(--border-primary);flex-shrink:0}.bm-modal-footer-btns{display:flex;gap:10px;justify-content:flex-end}.bm-btn{padding:8px 18px;border-radius:8px;font-size:13px;font-weight:700;cursor:pointer;font-family:inherit;transition:all .15s;border:1.5px solid transparent;display:inline-flex;align-items:center;gap:6px}.bm-btn:disabled{opacity:.55;cursor:not-allowed}.bm-btn-primary{background:var(--primary);color:var(--primary-foreground);border-color:var(--primary)}.bm-btn-primary:hover:not(:disabled){filter:brightness(1.1);box-shadow:0 4px 12px rgba(99,102,241,.3)}.bm-btn-ghost{background:transparent;color:var(--text-secondary);border-color:var(--border-primary)}.bm-btn-ghost:hover:not(:disabled){background:var(--bg-secondary);color:var(--text-primary)}@media (max-width:768px){.mobile-bottom-nav .bottom-nav-item span{font-size:9px}}.desktop-only{display:flex}.revision-rating-container{display:flex;align-items:center;justify-content:space-between;padding-top:16px;border-top:1.5px solid var(--border-primary);background:transparent;gap:12px;flex-wrap:wrap;transition:all .2s ease;margin-top:16px}.revision-rating-label{font-size:11px;font-weight:800;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}.revision-rating-label-wrapper{display:flex;align-items:center;gap:6px}.how-tooltip-wrapper{position:relative;display:inline-flex;align-items:center}.how-tooltip-trigger{background:none;border:none;padding:2px;margin:0;cursor:pointer;color:var(--text-muted);display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all .2s ease}.how-tooltip-trigger:focus-visible,.how-tooltip-trigger:hover{color:var(--primary);background-color:var(--bg-secondary)}.how-tooltip{position:absolute;bottom:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(4px);background:var(--bg-card);border:1.5px solid var(--border-primary);border-radius:var(--radius-md);padding:12px 14px;box-shadow:var(--shadow-md);width:260px;max-width:90vw;z-index:100;opacity:0;visibility:hidden;transition:all .2s cubic-bezier(.4,0,.2,1);pointer-events:none;font-family:var(--font-sans)}.how-tooltip.show{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}.how-tooltip:after{border-width:6px;border-style:solid;border-color:var(--border-primary) transparent transparent transparent}.how-tooltip:after,.how-tooltip:before{content:"";position:absolute;top:100%;left:50%;transform:translateX(-50%)}.how-tooltip:before{border-width:5px;border-style:solid;border-color:var(--bg-card) transparent transparent transparent;z-index:1}.how-tooltip-title{font-size:11px;font-weight:800;text-transform:uppercase;color:var(--text-secondary);letter-spacing:.05em;margin-bottom:4px;text-align:left}.how-tooltip-subtitle{font-size:10.5px;font-weight:500;color:var(--text-muted);margin-bottom:10px;border-bottom:1px solid var(--border-primary);padding-bottom:6px;text-align:left;line-height:1.35}.how-tooltip-row{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px;padding:4px 0}.how-tooltip-badge{font-size:10px;font-weight:700;padding:3px 8px;border-radius:12px;text-transform:uppercase;letter-spacing:.02em;white-space:nowrap}.how-tooltip-badge.correct{background:var(--color-success-bg);color:var(--color-success-text);border:1px solid var(--color-success-border)}.how-tooltip-badge.partially{background:var(--color-warning-bg);color:var(--color-warning-text);border:1px solid var(--color-warning-border)}.how-tooltip-badge.wrong{background:var(--color-error-bg);color:var(--color-error-text);border:1px solid var(--color-error-border)}.how-tooltip-text{color:var(--text-muted);font-weight:600;font-size:11.5px;text-align:right}.revision-buttons-group{display:flex;gap:8px;flex:1;justify-content:flex-end;min-width:280px}.revision-status-btn{flex:1;display:flex;align-items:center;justify-content:center;padding:8px 12px;border-radius:8px;font-size:12px;font-weight:700;cursor:pointer;transition:all .15s ease;background:transparent;text-decoration:none;white-space:nowrap}.status-btn-correct{border:1.5px solid rgba(16,185,129,.3);color:#10b981}.status-btn-correct:hover{background:rgba(16,185,129,.08)!important;transform:translateY(-1px)}.status-btn-correct.active{background:#10b981!important;border-color:#10b981!important;color:#ffffff!important;box-shadow:0 4px 12px rgba(16,185,129,.2)!important;transform:scale(1.02)!important}.status-btn-partially_correct{border:1.5px solid rgba(245,158,11,.3);color:#f59e0b}.status-btn-partially_correct:hover{background:rgba(245,158,11,.08)!important;transform:translateY(-1px)}.status-btn-partially_correct.active{background:#f59e0b!important;border-color:#f59e0b!important;color:#ffffff!important;box-shadow:0 4px 12px rgba(245,158,11,.2)!important;transform:scale(1.02)!important}.status-btn-wrong{border:1.5px solid rgba(239,68,68,.3);color:#ef4444}.status-btn-wrong:hover{background:rgba(239,68,68,.08)!important;transform:translateY(-1px)}.status-btn-wrong.active{background:#ef4444!important;border-color:#ef4444!important;color:#ffffff!important;box-shadow:0 4px 12px rgba(239,68,68,.2)!important;transform:scale(1.02)!important}.status-btn-correct:active,.status-btn-partially_correct:active,.status-btn-wrong:active{transform:scale(.96)!important}.question-card-header{display:flex;background:var(--bg-secondary);border-bottom:1px solid var(--border-primary)}.question-card-header .header-title{font-size:13.5px;font-weight:800;color:var(--text-primary);white-space:nowrap}.question-card-header .header-badge{font-size:11px;font-weight:700;padding:2px 8px;border-radius:999px;white-space:nowrap}.question-card-header .header-marks{font-size:11px;color:var(--text-muted);white-space:nowrap}@media (min-width:601px){.question-card-header{align-items:center;gap:8px;padding:16px 20px}.header-main-row{display:contents}.header-meta-row{display:flex;align-items:center;gap:8px}.header-right-group{margin-left:auto;display:flex;align-items:center;gap:12px}}@media (max-width:600px){.question-card-header{flex-direction:column;align-items:stretch;gap:8px;padding:10px 12px}.header-main-row{display:flex;align-items:center;justify-content:space-between;width:100%}.header-meta-row{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.header-right-group{display:flex;align-items:center;gap:8px}.revision-rating-container{flex-direction:column;align-items:stretch;padding-top:14px;gap:10px;margin-top:12px}.revision-rating-label{text-align:center;font-size:10.5px;margin-bottom:0}.revision-rating-label-wrapper{justify-content:center;width:100%}.how-tooltip{left:auto;right:-30px;transform:translateX(0) translateY(4px);width:260px;max-width:calc(100vw - 32px)}.how-tooltip.show{transform:translateX(0) translateY(0)}.how-tooltip:after,.how-tooltip:before{left:auto;right:22px;transform:none}.how-tooltip-badge{font-size:9px;padding:2.5px 6px}.how-tooltip-text{font-size:11px;white-space:nowrap}.revision-buttons-group{width:100%;min-width:100%;display:flex;justify-content:space-between;gap:8px}.revision-status-btn{flex:1;padding:8px 6px;font-size:11px;text-align:center;justify-content:center}.revision-status-btn span:first-child{display:none}.question-card-header .header-title{font-size:12px}.question-card-header .header-badge{font-size:9.5px;padding:1.5px 6px}.question-card-header .header-marks{font-size:9.5px}.timer-container{padding:4px 8px;gap:6px;font-size:11.5px}.timer-digits{font-size:11.5px}.timer-btn{width:17px;height:17px;margin-left:2px}}.timer-container{display:inline-flex;align-items:center;gap:8px;padding:5px 12px;border-radius:9999px;font-size:13px;font-weight:600;letter-spacing:.01em;transition:all .25s cubic-bezier(.4,0,.2,1);box-shadow:0 2px 6px rgba(0,0,0,.03);position:relative;overflow:hidden;user-select:none}.timer-running{background:rgba(9,12,155,.04);border:1px solid rgba(9,12,155,.16);color:var(--primary)}.dark .timer-running{background:rgba(99,102,241,.08);border:1px solid rgba(99,102,241,.3);color:var(--primary)}.timer-running:after{content:"";position:absolute;top:0;left:0;right:0;bottom:0;border-radius:9999px;border:1px solid var(--primary);opacity:0;animation:timerPillPulse 2s infinite;pointer-events:none}@keyframes timerPillPulse{0%{transform:scale(1);opacity:.5}to{transform:scale(1.06,1.14);opacity:0}}.timer-paused{background:var(--bg-secondary)}.dark .timer-paused,.timer-paused{border:1px solid var(--border-primary);color:var(--text-muted)}.dark .timer-paused{background:rgba(255,255,255,.03)}.timer-completed{background:rgba(16,185,129,.06);border:1px solid rgba(16,185,129,.22);color:#059669}.dark .timer-completed{background:rgba(52,211,153,.08);border:1px solid rgba(52,211,153,.3);color:#34d399}.timer-digits{font-family:var(--font-mono),monospace;font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:.02em;display:inline-block}.timer-icon{flex-shrink:0}.timer-icon-spinning .timer-hand{transform-origin:12px 12px;animation:timerHandSpin 6s linear infinite}@keyframes timerHandSpin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.timer-btn{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;border:none;background:rgba(0,0,0,.05);color:currentColor;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);margin-left:4px}.dark .timer-btn{background:rgba(255,255,255,.06)}.timer-btn:hover{background:rgba(0,0,0,.12);transform:scale(1.1)}.dark .timer-btn:hover{background:rgba(255,255,255,.15)}.timer-btn:active{transform:scale(.92)}.timer-paused-overlay{animation:overlayFadeIn .3s cubic-bezier(.16,1,.3,1);background:var(--bg-secondary-opaque,rgba(244,244,245,.75))!important;backdrop-filter:blur(14px) saturate(180%)!important;-webkit-backdrop-filter:blur(14px) saturate(180%)!important}@keyframes overlayFadeIn{0%{opacity:0;backdrop-filter:blur(0) saturate(100%);-webkit-backdrop-filter:blur(0) saturate(100%)}to{opacity:1;backdrop-filter:blur(14px) saturate(180%);-webkit-backdrop-filter:blur(14px) saturate(180%)}}.pause-indicator-ring{position:relative;display:flex;align-items:center;justify-content:center;width:72px;height:72px;border-radius:50%;background:rgba(9,12,155,.05);border:2.5px solid rgba(9,12,155,.12);color:#090C9B;margin-bottom:4px}.dark .pause-indicator-ring{background:rgba(147,197,253,.05);border:2.5px solid rgba(147,197,253,.2);color:#93c5fd}.pause-indicator-ring:after{content:"";position:absolute;width:100%;height:100%;border-radius:50%;border:1.5px solid;opacity:.4;animation:pulseRing 2.5s cubic-bezier(.215,.61,.355,1) infinite}@keyframes pulseRing{0%{transform:scale(.95);opacity:.5}50%{transform:scale(1.15);opacity:.2}to{transform:scale(1.3);opacity:0}}.resume-timer-btn{display:inline-flex;align-items:center;gap:8px;transition:all .2s cubic-bezier(.34,1.56,.64,1)}.resume-timer-btn:hover{transform:translateY(-2px) scale(1.04);box-shadow:0 8px 20px rgba(9,12,155,.35)}.dark .resume-timer-btn:hover{box-shadow:0 8px 20px rgba(147,197,253,.2)}.resume-timer-btn:active{transform:translateY(0) scale(.97)}.reattempt-btn{transition:all .15s ease}.reattempt-btn:hover{background:var(--bg-secondary)!important;color:var(--primary)!important;border-color:var(--primary)!important;transform:translateY(-1px)}.reattempt-btn:active{transform:translateY(1px) scale(.98)}:root{--bg-secondary-opaque:rgba(244,244,245,0.72)}.dark{--bg-secondary-opaque:rgba(9,11,28,0.76)}@media (max-width:600px){.time-stats-grid{grid-template-columns:1fr!important;gap:12px!important}}.hl-span{border-radius:3px;padding:1px 0;box-shadow:0 0 4px transparent;transition:background-color .2s ease,box-shadow .2s ease}.hl-yellow{background-color:rgba(253,224,71,.35);box-shadow:0 0 4px rgba(253,224,71,.15)}.hl-green{background-color:rgba(110,231,183,.35);box-shadow:0 0 4px rgba(110,231,183,.15)}.hl-blue{background-color:rgba(147,197,253,.35);box-shadow:0 0 4px rgba(147,197,253,.15)}.hl-pink{background-color:rgba(244,143,177,.35);box-shadow:0 0 4px rgba(244,143,177,.15)}.hl-toolbar-pill{display:inline-flex;align-items:center;gap:8px;padding:5px 12px;border-radius:10px;background:var(--bg-card);border:1px solid var(--border-primary);box-shadow:0 4px 24px rgba(0,0,0,.18),0 1.5px 6px rgba(0,0,0,.1),inset 0 1px 0 rgba(255,255,255,.08);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);animation:hl-fade-in .22s cubic-bezier(.34,1.56,.64,1)}@keyframes hl-fade-in{0%{opacity:0;transform:translateY(2px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.hl-toggle-btn{display:inline-flex;align-items:center;gap:5px;padding:6px 14px;border-radius:8px;font-size:12px;font-weight:600;background:var(--bg-card);border:1.5px solid var(--border-primary);color:var(--primary);cursor:pointer;box-shadow:var(--shadow-sm);transition:all .22s cubic-bezier(.34,1.56,.64,1)}.hl-toggle-btn:hover{background:var(--bg-secondary)!important;color:var(--primary)!important;border-color:var(--primary)!important;transform:translateY(-1.5px);box-shadow:var(--shadow-md),0 4px 12px rgba(9,12,155,.06)}html.dark .hl-toggle-btn:hover{box-shadow:var(--shadow-md),0 4px 12px rgba(99,102,241,.15)}.hl-toggle-btn:active{transform:translateY(0) scale(.96);box-shadow:var(--shadow-sm)}.hl-tool-btn{transition:all .18s cubic-bezier(.34,1.56,.64,1);border-radius:6px!important}.hl-tool-btn:hover:not(:disabled){background:rgba(99,102,241,.1)!important;color:var(--primary)!important;transform:scale(1.12);box-shadow:0 0 8px rgba(99,102,241,.18)}.hl-tool-btn:active:not(:disabled){transform:scale(.92)}.hl-color-dot{transition:all .18s cubic-bezier(.34,1.56,.64,1);box-shadow:0 1px 4px rgba(0,0,0,.18)}.hl-color-dot:hover{transform:scale(1.22)!important;box-shadow:0 2px 10px rgba(0,0,0,.22)!important}.hl-color-dot.active{box-shadow:0 0 0 3px rgba(99,102,241,.25),0 2px 10px rgba(0,0,0,.22)!important}.hl-color-grid{display:flex;align-items:center;gap:8px}@media (max-width:640px){.hl-active-header .hl-toolbar-pill{gap:6px!important;padding:4px 8px!important}.hl-active-header .hl-toolbar-pill .hl-color-dot{width:16px!important;height:16px!important}.hl-active-header .hl-toolbar-pill .hl-tool-btn{width:20px!important;height:20px!important}.hl-active-header .hl-toolbar-pill .hl-tool-btn svg{width:12px!important;height:12px!important}}.sticky-context-bar-right{overflow:visible;flex-shrink:0}.hl-answer-wrapper,.hl-question-wrapper{overflow:visible!important;width:100%!important;max-width:100%!important;box-sizing:border-box!important}.hl-answer-wrapper h1,.hl-answer-wrapper h2,.hl-answer-wrapper h3,.hl-answer-wrapper li,.hl-answer-wrapper p,.hl-question-wrapper h1,.hl-question-wrapper h2,.hl-question-wrapper h3,.hl-question-wrapper li,.hl-question-wrapper p{max-width:100%!important;word-break:break-word!important;overflow-wrap:break-word!important;white-space:normal!important;box-sizing:border-box!important}.math-responsive,.table-responsive{display:block!important;width:100%!important;max-width:100%!important;overflow-x:auto;overflow-y:hidden!important;-webkit-overflow-scrolling:touch!important;margin-top:12px!important;margin-bottom:16px!important;padding:1px 3px 4px 1px!important;border-radius:0!important;box-sizing:border-box!important;scrollbar-width:thin;scrollbar-color:#3730a3 rgba(0,0,0,.12)}.hl-answer-wrapper table,.hl-question-wrapper table,.paper-content table,.table-responsive table{display:table!important;width:100%;min-width:0!important;max-width:none;border-collapse:collapse!important;margin:0 auto!important;font-size:14px;border-left:1.5px solid!important;border-right:1.5px solid!important;border-radius:0!important}.hl-answer-wrapper table td,.hl-answer-wrapper table th,.hl-question-wrapper table td,.hl-question-wrapper table th,.paper-content td,.paper-content th,.table-responsive table td,.table-responsive table th{padding:6px 10px;font-size:13.5px;border-radius:0!important;width:auto!important;min-width:0!important;word-break:normal!important;overflow-wrap:normal!important}.table-responsive{scrollbar-width:thin!important;scrollbar-color:#6366f1 rgba(99,102,241,.1)!important;-webkit-overflow-scrolling:touch!important}html.dark .table-responsive{scrollbar-color:#818cf8 rgba(255,255,255,.08)!important}.math-responsive::-webkit-scrollbar,.table-responsive::-webkit-scrollbar{display:block!important;height:6px!important;width:6px!important;-webkit-appearance:none!important}.math-responsive::-webkit-scrollbar-track,.table-responsive::-webkit-scrollbar-track{background:rgba(99,102,241,.08)!important;border-radius:8px!important;margin:0 2px!important}html.dark .math-responsive::-webkit-scrollbar-track,html.dark .table-responsive::-webkit-scrollbar-track{background:rgba(255,255,255,.08)!important}.math-responsive::-webkit-scrollbar-thumb,.table-responsive::-webkit-scrollbar-thumb{background:#6366f1!important;border-radius:8px!important;transition:background .2s ease!important}.math-responsive::-webkit-scrollbar-thumb:hover,.table-responsive::-webkit-scrollbar-thumb:hover{background:#4f46e5!important}html.dark .math-responsive::-webkit-scrollbar-thumb,html.dark .table-responsive::-webkit-scrollbar-thumb{background:#818cf8!important}html.dark .math-responsive::-webkit-scrollbar-thumb:hover,html.dark .table-responsive::-webkit-scrollbar-thumb:hover{background:#a5b4fc!important}.q-card-header-container{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:10px 14px;background:var(--bg-secondary);border-bottom:1px solid var(--border-primary)}.q-card-header-left{display:flex;align-items:center;flex-wrap:wrap;gap:6px;flex:1;min-width:0}.q-card-header-right{display:flex;align-items:center;gap:6px;flex-shrink:0;margin-top:2px}.q-card-chapter-badge{border-radius:999px;background:var(--bg-tertiary);color:var(--text-secondary);border:1px solid var(--border-primary);overflow:hidden;text-overflow:ellipsis;max-width:115px}.q-card-chapter-badge,.q-card-meta-badge{font-size:11px;font-weight:600;padding:2px 6px;white-space:nowrap;display:inline-block;vertical-align:middle}.q-card-meta-badge{border-radius:999px}@media (min-width:480px){.q-card-header-left{gap:8px}.q-card-chapter-badge{max-width:220px;padding:2px 8px}.q-card-meta-badge{padding:2px 8px}}@media (min-width:768px){.q-card-header-container{align-items:center;padding:12px 16px}.q-card-header-right{margin-top:0}.q-card-chapter-badge{max-width:380px}}.subject-sidebar-scroll::-webkit-scrollbar{width:5px}.subject-sidebar-scroll::-webkit-scrollbar-track{background:transparent}.subject-sidebar-scroll::-webkit-scrollbar-thumb{background:rgba(99,102,241,.16);border-radius:999px;transition:background .2s ease}.subject-sidebar-scroll::-webkit-scrollbar-thumb:hover{background:rgba(99,102,241,.35)}html.dark .subject-sidebar-scroll::-webkit-scrollbar-thumb{background:rgba(255,255,255,.15)}html.dark .subject-sidebar-scroll::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.35)}.filter-search-input:focus{border-color:var(--primary)!important;box-shadow:0 0 0 3px rgba(99,102,241,.15)!important}.attempts-comparison-widget{animation:widget-fade-in .3s cubic-bezier(.16,1,.3,1)}@keyframes widget-fade-in{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.transition-arrow-container{display:flex!important}@media (max-width:640px){.attempts-cards-grid{grid-template-columns:1fr!important}.transition-arrow-container{display:none!important}}.attempt-timeline-row:hover{transform:translateX(4px);border-color:rgba(99,102,241,.3)!important;box-shadow:0 2px 8px rgba(0,0,0,.05)}html.dark .attempt-timeline-row:hover{border-color:rgba(255,255,255,.2)!important}@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(16,185,129,.4)}70%{box-shadow:0 0 0 6px rgba(16,185,129,0)}to{box-shadow:0 0 0 0 rgba(16,185,129,0)}}.report-section{margin-top:24px;padding-top:16px;border-top:1px solid var(--border-primary)}.report-btn{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border:1.5px solid var(--color-error-border);border-radius:20px;background:var(--color-error-bg);color:var(--color-error-text);font-size:12px;font-weight:600;font-family:inherit;cursor:pointer;transition:background .15s,border-color .15s,box-shadow .15s,transform .1s;line-height:1}.report-btn:hover{background:var(--color-error-border);color:#fff;box-shadow:0 2px 8px rgba(239,68,68,.25)}.report-btn:active{transform:scale(.96)}.report-btn svg{flex-shrink:0}.report-form-container{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s cubic-bezier(.4,0,.2,1);overflow:hidden}.report-form-container.report-form-open{grid-template-rows:1fr}.report-form-inner{overflow:hidden;padding-top:12px;display:flex;flex-direction:column;gap:10px}.report-form-label{font-size:12.5px;font-weight:600;color:var(--text-secondary);margin:0}.report-textarea{width:100%;padding:10px 12px 22px;border-radius:8px;border:1.5px solid var(--border-primary);background:var(--bg-secondary);color:var(--text-primary);font-size:13px;font-family:inherit;line-height:1.5;resize:vertical;min-height:72px;box-sizing:border-box;transition:border-color .15s;outline:none}.report-textarea:focus{border-color:var(--primary);background:var(--bg-card)}.report-textarea:disabled{opacity:.65;cursor:not-allowed}.report-char-count{position:absolute;bottom:6px;right:10px;font-size:11px;color:var(--text-muted);pointer-events:none;line-height:1}.report-feedback{padding:8px 12px;border-radius:7px;font-size:12.5px;font-weight:600}.report-success{background:var(--color-success-bg);color:var(--color-success-text);border:1px solid var(--color-success-border)}.report-error{background:var(--color-error-bg);color:var(--color-error-text);border:1px solid var(--color-error-border)}.report-actions{display:flex;align-items:center;gap:8px}.report-submit-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:7px 18px;border-radius:7px;border:none;background:var(--primary);color:var(--primary-foreground);font-size:12.5px;font-weight:700;font-family:inherit;cursor:pointer;transition:opacity .15s,transform .1s;min-width:100px}.report-submit-btn:hover:not(:disabled){opacity:.88}.report-submit-btn:active:not(:disabled){transform:scale(.97)}.report-submit-btn:disabled{opacity:.45;cursor:not-allowed}.report-cancel-btn{padding:7px 12px;border-radius:7px;border:1px solid var(--border-primary);background:transparent;color:var(--text-secondary);font-size:12.5px;font-weight:500;font-family:inherit;cursor:pointer;transition:background .15s,color .15s}.report-cancel-btn:hover{background:var(--bg-tertiary);color:var(--text-primary)}.report-spinner{display:inline-block;width:13px;height:13px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:report-spin .7s linear infinite}@keyframes report-spin{to{transform:rotate(1turn)}}.profile-avatar-img{width:100%;height:100%;border-radius:50%;object-fit:cover;display:block}.profile-avatar-overlay{position:absolute;inset:0;background:rgba(0,0,0,.4);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .2s ease}.profile-avatar-ring:hover .profile-avatar-overlay{opacity:1}.profile-avatar-overlay-icon{font-size:20px;color:#fff;filter:drop-shadow(0 2px 4px rgba(0,0,0,.3))}.profile-avatar-upload-spinner{position:absolute;inset:0;background:rgba(0,0,0,.5);border-radius:50%;display:flex;align-items:center;justify-content:center}.avatar-spinner{width:24px;height:24px;border:3px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:avatar-spin .8s linear infinite}@keyframes avatar-spin{to{transform:rotate(1turn)}}.profile-ca-level-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(9,12,155,.06);border:1px solid rgba(9,12,155,.16);color:#090C9B;font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:99px;margin:0;letter-spacing:-.01em;transition:all .2s ease}html.dark .profile-ca-level-badge{background:rgba(129,140,248,.12);border-color:rgba(129,140,248,.25);color:#818CF8}.profile-attempt-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(23,137,252,.08);border:1px solid rgba(23,137,252,.22);color:#0284c7;font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:99px;margin:0;letter-spacing:-.01em;transition:all .2s ease}html.dark .profile-attempt-badge{background:rgba(56,189,248,.12);border-color:rgba(56,189,248,.25);color:#38bdf8}.profile-countdown-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(234,88,12,.08);border:1px solid rgba(234,88,12,.22);color:#ea580c;font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:99px;margin:0;letter-spacing:-.01em;transition:all .2s ease}html.dark .profile-countdown-badge{background:rgba(251,146,60,.12);border-color:rgba(251,146,60,.25);color:#fb923c}.profile-upload-error{color:var(--error);font-size:12px;font-weight:600;margin-top:8px;background:var(--error-light,rgba(239,68,68,.1));padding:6px 12px;border-radius:8px;animation:fadeIn .2s ease}.calc-trick{border-bottom:1.5px dotted var(--primary,#090c9b);font-weight:600;cursor:help;display:inline;transition:border-bottom-color .2s ease,color .2s ease}.calc-trick:hover{color:var(--accent-hover,#1789FC);border-bottom-style:dashed}html.dark .calc-trick{border-bottom-color:#818CF8}html.dark .calc-trick:hover{color:#a5b4fc}.calc-tooltip-card{font-family:system-ui,-apple-system,sans-serif;background:var(--bg-card,#ffffff);color:var(--text-primary,#1e293b);border:1px solid var(--border-primary,#e2e8f0);border-radius:14px;padding:16px;box-shadow:0 10px 25px -5px rgba(0,0,0,.1),0 8px 10px -6px rgba(0,0,0,.05);font-size:12px;pointer-events:none}html.dark .calc-tooltip-card{background:#1e1e2e;color:#cdd6f4;border-color:#313244;box-shadow:0 10px 25px -5px rgba(0,0,0,.3),0 8px 10px -6px rgba(0,0,0,.2)}.calc-tooltip-header{display:flex;align-items:center;gap:8px;margin-bottom:8px}.calc-tooltip-icon{font-size:16px}.calc-tooltip-title{font-size:13px;font-weight:700;color:var(--text-primary,#0f172a)}html.dark .calc-tooltip-title{color:#f5f5f7}.calc-tooltip-desc{font-size:11.5px;color:var(--text-muted,#64748b);line-height:1.4;margin-bottom:10px}.calc-tooltip-divider{border:0;border-top:1px solid var(--border-primary,#e2e8f0);margin:10px 0}html.dark .calc-tooltip-divider{border-top-color:#313244}.calc-tooltip-steps{margin:0;padding-left:20px;color:var(--text-primary,#334155)}html.dark .calc-tooltip-steps{color:#cdd6f4}.calc-tooltip-steps li{margin-bottom:6px;line-height:1.5}.calc-tooltip-steps li:last-child{margin-bottom:0}.calc-tooltip-steps code{font-family:Consolas,Monaco,monospace;background:var(--bg-hover,#f1f5f9);padding:1.5px 4px;border-radius:4px;font-size:11px;color:#e11d48}html.dark .calc-tooltip-steps code{background:#313244;color:#f38ba8}.landing-page-root{width:100%;overflow-x:hidden;background-color:var(--bg-secondary,#F5F7FF);color:var(--text-primary,#000000)}.landing-container{max-width:1140px;margin:0 auto;padding:0 24px}.animate-on-scroll{opacity:0;transform:translateY(40px);transition:transform .7s cubic-bezier(.16,1,.3,1),opacity .7s ease;will-change:transform,opacity}.animate-on-scroll.in-view{opacity:1;transform:translateY(0)}.landing-hero{padding:80px 0 60px;text-align:center}.landing-hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;background:rgba(9,12,155,.06);border:1px solid rgba(9,12,155,.15);color:var(--primary,#090C9B);font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;margin-bottom:24px}html.dark .landing-hero-badge{background:rgba(56,189,248,.1);border-color:rgba(56,189,248,.25);color:#38bdf8}.badge-sparkle{color:#1789FC;font-size:13px}.landing-hero-title{font-size:clamp(34px,5.5vw,56px);font-weight:800;line-height:1.15;letter-spacing:-.03em;color:var(--text-primary,#0f172a);max-width:920px;margin:0 auto 20px}.hero-accent-text{color:var(--primary,#090C9B)}html.dark .hero-accent-text{color:#38bdf8}.landing-hero-desc{font-size:18px;line-height:1.6;color:var(--text-muted,#475569);max-width:680px;margin:0 auto 36px}.landing-cta-group{display:flex;align-items:center;justify-content:center;gap:16px;margin-bottom:48px;flex-wrap:wrap}.landing-btn-primary{display:inline-flex;align-items:center;gap:10px;padding:14px 30px;border-radius:12px;background:var(--primary,#090C9B);color:#ffffff;font-size:15px;font-weight:700;text-decoration:none;box-shadow:0 4px 14px rgba(9,12,155,.25);transition:all .2s ease}.landing-btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(9,12,155,.35);background:#0d12c0;color:#ffffff}.landing-btn-primary.large{padding:16px 36px;font-size:16px}.landing-btn-secondary{display:inline-flex;align-items:center;gap:8px;padding:14px 24px;border-radius:12px;background:var(--bg-card,#ffffff);border:1.5px solid var(--border-primary,#cbd5e1);color:var(--text-primary,#1e293b);font-size:15px;font-weight:600;text-decoration:none;transition:all .2s ease}.landing-btn-secondary:hover{border-color:var(--primary,#090C9B);color:var(--primary,#090C9B);transform:translateY(-1px)}.btn-arrow{font-size:16px;transition:transform .2s ease}.landing-btn-primary:hover .btn-arrow{transform:translateX(4px)}.landing-metrics-bar{display:inline-flex;align-items:center;justify-content:center;gap:24px;padding:14px 32px;border-radius:999px;background:var(--bg-card,#ffffff);border:1px solid var(--border-primary,#e2e8f0);box-shadow:0 2px 10px rgba(0,0,0,.04);flex-wrap:wrap}.metric-item{display:flex;flex-direction:column;align-items:center;gap:2px}.metric-val{font-size:15px;font-weight:800;color:var(--text-primary,#0f172a)}.metric-lbl{font-size:11px;font-weight:500;color:var(--text-muted,#64748b)}.metric-divider{width:1px;height:24px;background:var(--border-primary,#e2e8f0)}.feature-sections-wrapper{display:flex;flex-direction:column;gap:32px;padding:40px 0}.feature-showcase-section{padding:80px 0 100px}.feature-showcase-section.alt-bg{background:var(--bg-card,#ffffff);border-top:1px solid var(--border-primary,#e2e8f0)}.feature-showcase-grid{display:grid;gap:64px;align-items:center}.feature-showcase-grid,.feature-showcase-grid.reverse{grid-template-columns:1fr 1fr}.feature-showcase-grid.reverse .feature-mockup-col{order:1}.feature-showcase-grid.reverse .feature-info-col{order:2}.feature-info-col{display:flex;flex-direction:column;align-items:flex-start}.feature-category-tag{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--primary,#090C9B);background:rgba(9,12,155,.08);padding:4px 12px;border-radius:999px;margin-bottom:16px}html.dark .feature-category-tag{color:#38bdf8;background:rgba(56,189,248,.15)}.feature-showcase-title{font-size:clamp(28px,4vw,42px);font-weight:800;line-height:1.18;letter-spacing:-.02em;color:var(--text-primary,#0f172a);margin-bottom:18px}.feature-showcase-desc{font-size:16px;line-height:1.7;color:var(--text-muted,#475569);margin-bottom:28px}.text-highlight{color:var(--primary,#090C9B);font-weight:700}html.dark .text-highlight{color:#38bdf8}.feature-cta-btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:999px;background:var(--bg-card,#ffffff);border:1.5px solid var(--border-primary,#cbd5e1);color:var(--text-primary,#0f172a);font-size:14px;font-weight:700;text-decoration:none;box-shadow:0 2px 8px rgba(0,0,0,.04);transition:all .2s ease}.feature-cta-btn:hover{border-color:var(--primary,#090C9B);color:var(--primary,#090C9B);transform:translateY(-2px);box-shadow:0 4px 14px rgba(9,12,155,.12)}.landing-metrics-bar-wrapper{position:relative;perspective:1200px;width:100%}.callout-bubble-wrapper{position:absolute;z-index:30;perspective:800px;pointer-events:auto;padding:16px;margin:-16px}.callout-bubble-wrapper.bubble-top-right{top:-18px;right:-18px}.callout-bubble-wrapper.bubble-bottom-left{bottom:-18px;left:-18px}.callout-bubble-wrapper.bubble-top-left{top:-18px;left:-18px}.callout-bubble-wrapper.bubble-bottom-right{bottom:-18px;right:-18px}.tilt-target{transform-style:preserve-3d;will-change:transform,box-shadow;transition:transform .16s cubic-bezier(.16,1,.3,1),box-shadow .16s cubic-bezier(.16,1,.3,1),border-color .25s ease}.callout-bubble-wrapper:hover .tilt-target,.feature-mockup-col:hover .tilt-target,.landing-metrics-bar-wrapper:hover .tilt-target{border-color:var(--primary,#090C9B)!important}html.dark .callout-bubble-wrapper:hover .tilt-target,html.dark .feature-mockup-col:hover .tilt-target,html.dark .landing-metrics-bar-wrapper:hover .tilt-target{border-color:#38bdf8!important}.feature-mockup-col{position:relative;perspective:1200px}.feature-mockup-card{position:relative;background:var(--bg-card,#ffffff);border:1px solid var(--border-primary,#cbd5e1);border-radius:20px;padding:24px;box-shadow:0 20px 40px rgba(9,12,155,.08)}html.dark .feature-mockup-card{box-shadow:0 20px 40px rgba(0,0,0,.35)}.mockup-card-header{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--border-primary,#e2e8f0);margin-bottom:18px}.mockup-header-title{font-size:15px;font-weight:800;color:var(--text-primary,#0f172a)}.mockup-header-badge{display:inline-flex;align-items:center;justify-content:center;text-align:center;font-size:11px;font-weight:700;line-height:1.25;padding:5px 12px;border-radius:999px;background:rgba(9,12,155,.08);color:var(--primary,#090C9B);flex-shrink:0;box-sizing:border-box}.mockup-header-badge.success{background:#dcfce7;color:#15803d}html.dark .mockup-header-badge.success{background:rgba(16,185,129,.2);color:#34d399}.callout-bubble{position:relative;background:var(--bg-card,#ffffff);border:1.5px solid var(--border-primary,#94a3b8);border-radius:14px;padding:10px 16px;font-size:12px;font-weight:700;color:var(--text-primary,#0f172a);box-shadow:0 10px 25px rgba(0,0,0,.12);white-space:nowrap;cursor:pointer;animation:floatBounce 4s ease-in-out infinite alternate;transition:border-color .25s ease,color .25s ease,box-shadow .25s ease,background-color .25s ease}.callout-bubble:hover{animation-play-state:paused;border-color:var(--primary,#090C9B);color:var(--primary,#090C9B);box-shadow:0 16px 36px rgba(9,12,155,.25);background:var(--bg-card,#ffffff)}html.dark .callout-bubble:hover{box-shadow:0 16px 36px rgba(56,189,248,.25)}@keyframes floatBounce{0%{transform:translateY(0)}to{transform:translateY(-6px)}}.callout-bubble.bubble-top-right{top:-18px;right:-18px}.callout-bubble.bubble-bottom-left{bottom:-18px;left:-18px}.callout-bubble.bubble-top-left{top:-18px;left:-18px}.callout-bubble.bubble-bottom-right{bottom:-18px;right:-18px}.mockup-filters-body{display:flex;flex-direction:column;gap:12px}.filter-mock-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.filter-mock-row .f-label{font-size:11px;font-weight:700;color:var(--text-muted,#64748b);min-width:64px}.filter-mock-row .f-tag{font-size:11px;font-weight:600;padding:5px 12px;border-radius:8px;background:var(--bg-sidebar,#f1f5f9);border:1px solid transparent;color:var(--text-muted,#64748b);cursor:pointer;transition:background-color .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease}.filter-mock-row .f-tag:hover{background:var(--primary,#090C9B);color:#ffffff;border-color:var(--primary,#090C9B);box-shadow:0 4px 12px rgba(9,12,155,.25)}.filter-mock-row .f-tag.active{background:rgba(9,12,155,.08);border:1px solid rgba(9,12,155,.2);color:var(--primary,#090C9B)}.filter-mock-row .f-tag.active:hover{background:#0d12c0;color:#ffffff;border-color:#0d12c0;box-shadow:0 6px 18px rgba(9,12,155,.35)}html.dark .filter-mock-row .f-tag.active{background:rgba(56,189,248,.15);border-color:rgba(56,189,248,.3);color:#38bdf8}html.dark .filter-mock-row .f-tag:hover{background:#38bdf8;color:#0f172a;border-color:#38bdf8;box-shadow:0 6px 16px rgba(56,189,248,.3)}.mockup-solution-body{display:flex;flex-direction:column;border:1px solid var(--border-primary,#e2e8f0);border-radius:10px;overflow:hidden;font-size:12px}.sol-table-header{padding:8px 12px;background:var(--bg-sidebar,#f8fafc);font-weight:700;color:var(--text-muted,#475569);border-bottom:1px solid var(--border-primary,#e2e8f0)}.sol-table-header,.sol-table-row{display:flex;justify-content:space-between}.sol-table-row{padding:9px 12px;border-bottom:1px solid var(--border-primary,#f1f5f9);color:var(--text-secondary,#334155);cursor:pointer;transition:background-color .2s ease,color .2s ease}.sol-table-row:hover{background:rgba(9,12,155,.08);color:var(--primary,#090C9B)}html.dark .sol-table-row:hover{background:rgba(56,189,248,.12);color:#38bdf8}.sol-table-row.total{background:rgba(9,12,155,.04);font-weight:700;color:var(--text-primary,#0f172a)}.mockup-highlight-body{display:flex;flex-direction:column;gap:14px}.highlight-text-box{font-size:13px;line-height:1.6;padding:12px;border-radius:8px;background:var(--bg-sidebar,#f8fafc);border:1px dashed var(--border-primary,#cbd5e1);transition:border-color .2s ease,background-color .2s ease,box-shadow .2s ease;cursor:pointer}.highlight-text-box:hover{border-color:var(--primary,#090C9B);background:var(--bg-card,#ffffff);box-shadow:0 4px 14px rgba(9,12,155,.08)}html.dark .highlight-text-box:hover{border-color:#38bdf8}.hl-yellow-active{background:#fef08a;color:#854d0e;padding:2px 6px;border-radius:4px;font-weight:700;transition:background-color .2s ease,box-shadow .2s ease;display:inline-block}.hl-yellow-active:hover{background:#fde047;box-shadow:0 2px 8px rgba(234,179,8,.3)}.hl-green-active{background:#a7f3d0;color:#065f46;padding:2px 6px;border-radius:4px;font-weight:700;transition:background-color .2s ease,box-shadow .2s ease;display:inline-block}.hl-green-active:hover{background:#6ee7b7;box-shadow:0 2px 8px rgba(16,185,129,.3)}.mockup-highlight-body.live-demo-container{position:relative;display:flex;flex-direction:column;gap:14px;overflow:hidden}.mockup-highlighter-cursor{position:absolute;top:36px;left:28%;width:10px;height:20px;border-radius:1px;pointer-events:none;z-index:15;animation:liveRectangleCursorGlide 7.5s cubic-bezier(.25,1,.5,1) infinite}@keyframes liveRectangleCursorGlide{0%{top:36px;left:28%;opacity:0;background:rgba(253,224,71,.85);border:1px solid #eab308;box-shadow:0 0 8px rgba(253,224,71,.8)}4%{top:36px;left:28%;opacity:1;background:rgba(253,224,71,.85);border:1px solid #eab308;box-shadow:0 0 8px rgba(253,224,71,.8)}32%{top:36px;left:92%;opacity:1;background:rgba(253,224,71,.85);border:1px solid #eab308;box-shadow:0 0 8px rgba(253,224,71,.8)}38%{top:135px;left:28%;opacity:1;background:rgba(110,231,183,.85);border:1px solid #10b981;box-shadow:0 0 8px rgba(110,231,183,.8)}68%{top:135px;left:92%;opacity:1;background:rgba(110,231,183,.85);border:1px solid #10b981;box-shadow:0 0 8px rgba(110,231,183,.8)}75%,90%{top:135px;left:92%;opacity:1;background:rgba(110,231,183,.85);border:1px solid #10b981;box-shadow:0 0 8px rgba(110,231,183,.8)}96%,to{top:36px;left:28%;opacity:0;background:rgba(253,224,71,.85);border:1px solid #eab308;box-shadow:0 0 8px rgba(253,224,71,.8)}}.hl-live-wipe{display:inline;padding:2px 4px;border-radius:4px;font-weight:600;background-repeat:no-repeat;background-position:0;animation-duration:7.5s;animation-iteration-count:infinite;animation-timing-function:cubic-bezier(.25,1,.5,1)}.hl-live-wipe.yellow{color:#854d0e;background-image:linear-gradient(90deg,#fde047,#fef08a);animation-name:yellowWipeAnim}.hl-live-wipe.green{color:#065f46;background-image:linear-gradient(90deg,#6ee7b7,#a7f3d0);animation-name:greenWipeAnim}html.dark .hl-live-wipe.yellow{color:#fef08a;background-image:linear-gradient(90deg,rgba(234,179,8,.6),rgba(254,240,138,.4))}html.dark .hl-live-wipe.green{color:#a7f3d0;background-image:linear-gradient(90deg,rgba(16,185,129,.6),rgba(167,243,208,.4))}@keyframes yellowWipeAnim{0%,4%{background-size:0 100%}32%,90%{background-size:100% 100%}96%,to{background-size:0 100%}}@keyframes greenWipeAnim{0%,40%{background-size:0 100%}68%,90%{background-size:100% 100%}96%,to{background-size:0 100%}}.note-toolbar-strip{display:flex;align-items:center;gap:4px;padding-bottom:8px;margin-bottom:8px;border-bottom:1px solid rgba(0,0,0,.06)}html.dark .note-toolbar-strip{border-bottom-color:rgba(255,255,255,.1)}.tb-btn{font-size:11px;font-weight:700;padding:2px 6px;border-radius:4px;background:var(--bg-sidebar,#f1f5f9);color:var(--text-muted,#64748b)}.tb-btn.active{background:var(--primary,#090C9B);color:#ffffff}.mockup-note-box{padding:12px;border-radius:8px;background:#fefce8;border:1px solid #fef08a;display:flex;flex-direction:column;gap:4px;transition:border-color .2s ease,box-shadow .2s ease;cursor:pointer}.mockup-note-box:hover{box-shadow:0 6px 16px rgba(234,179,8,.25);border-color:#eab308}html.dark .mockup-note-box{background:#1e1b4b;border-color:#3730a3}html.dark .mockup-note-box:hover{border-color:#6366f1;box-shadow:0 8px 20px rgba(99,102,241,.25)}.note-box-title{font-size:11px;font-weight:700;color:#854d0e}html.dark .note-box-title{color:#a5b4fc}.note-box-text{font-size:12px;font-style:italic;color:#713f12}html.dark .note-box-text{color:#e0e7ff}.mockup-bookmarks-body{display:flex;flex-direction:column;gap:10px}.bookmark-group-item{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:10px;background:var(--bg-sidebar,#f8fafc);border:1px solid var(--border-primary,#e2e8f0);cursor:pointer;transition:all .25s ease}.bookmark-group-item:hover{transform:translateX(6px);border-color:var(--primary,#090C9B);box-shadow:0 4px 14px rgba(9,12,155,.1);background:var(--bg-card,#ffffff)}html.dark .bookmark-group-item:hover{border-color:#38bdf8;box-shadow:0 4px 14px rgba(56,189,248,.15)}.folder-icon{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:14px}.group-info{display:flex;flex-direction:column}.group-name{font-size:13px;font-weight:700;color:var(--text-primary,#0f172a)}.group-count{font-size:11px;color:var(--text-muted,#64748b)}.landing-subjects-section{padding:80px 0}.subjects-grid-new{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}.subject-card-modern{background:var(--bg-card,#ffffff);border:1px solid var(--border-primary,#e2e8f0);border-radius:16px;padding:24px;display:flex;flex-direction:column;justify-content:space-between;box-shadow:0 4px 12px rgba(0,0,0,.03);transition:all .25s ease}.subject-card-modern:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(9,12,155,.12);border-color:var(--border-focus,#090C9B)}.subject-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.paper-pill{font-size:11px;font-weight:800;padding:4px 10px;border-radius:6px;letter-spacing:.05em}.subject-status{font-size:11px;font-weight:600;color:#10b981}.subject-card-title{font-size:18px;font-weight:800;color:var(--text-primary,#0f172a);margin-bottom:8px;line-height:1.3}.subject-card-desc{font-size:13px;line-height:1.5;color:var(--text-muted,#64748b);margin-bottom:16px}.subject-topics-list{display:flex;flex-direction:column;gap:6px;margin-bottom:20px;padding-top:12px;border-top:1px solid var(--border-primary,#f1f5f9)}.topic-tag{font-size:12px;color:var(--text-secondary,#475569);font-weight:500}.subject-card-footer{display:flex;flex-direction:column;gap:14px;padding-top:14px;border-top:1px solid var(--border-primary,#e2e8f0)}.subject-counts{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-muted,#64748b)}.dot-sep{opacity:.5}.subject-card-btn{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;border-radius:10px;background:var(--bg-sidebar,#f8fafc);border:1px solid var(--border-primary,#e2e8f0);color:var(--text-primary,#0f172a);font-size:13px;font-weight:700;text-decoration:none;transition:all .2s ease}.subject-card-modern:hover .subject-card-btn{background:var(--primary,#090C9B);color:#ffffff;border-color:var(--primary,#090C9B)}.landing-faq-section{padding:80px 0}.faq-accordion-container{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:14px}.faq-accordion-item{background:var(--bg-card,#ffffff);border:1px solid var(--border-primary,#e2e8f0);border-radius:12px;overflow:hidden;transition:border-color .2s ease}.faq-accordion-item.open{border-color:var(--border-focus,#090C9B)}.faq-question-btn{width:100%;padding:18px 24px;display:flex;align-items:center;justify-content:space-between;background:transparent;border:none;text-align:left;cursor:pointer}.faq-q-text{font-size:15px;font-weight:700;color:var(--text-primary,#0f172a)}.faq-toggle-icon{font-size:20px;font-weight:700;color:var(--text-muted,#64748b)}.faq-answer-pane{font-size:14px;line-height:1.65;color:var(--text-muted,#475569);border-top:1px solid var(--border-primary,#f1f5f9);padding:14px 24px 20px}.landing-final-cta{padding:64px 0 96px}.final-cta-card{background:linear-gradient(135deg,#090C9B,#1789FC);border-radius:24px;padding:56px 36px;text-align:center;color:#ffffff;box-shadow:0 16px 40px rgba(9,12,155,.25)}html.dark .final-cta-card{background:linear-gradient(135deg,#0f172a,#1e1b4b);border:1px solid #3730a3}.final-cta-title{font-size:clamp(24px,4vw,36px);font-weight:800;line-height:1.25;letter-spacing:-.02em;margin-bottom:16px}.final-cta-desc{font-size:16px;line-height:1.6;opacity:.9;max-width:560px;margin:0 auto 32px}.final-cta-actions{display:flex;align-items:center;justify-content:center}.final-cta-card .landing-btn-primary{background:#ffffff;color:#090C9B;box-shadow:0 4px 14px rgba(0,0,0,.15)}.final-cta-card .landing-btn-primary:hover{background:#f8fafc;color:#0d12c0}.drill-action-badge{background:#e0e7ff;color:#4338ca;padding:3px 8px;border-radius:4px;font-size:10px;font-weight:700}html.dark .drill-action-badge{background:rgba(99,102,241,.25);color:#818cf8}html.dark .landing-hero-desc{color:#cbd5e1}html.dark .landing-btn-primary{background:linear-gradient(135deg,#2563eb,#3b82f6)!important;color:#ffffff!important;box-shadow:0 4px 20px rgba(59,130,246,.4)!important}html.dark .landing-btn-primary:hover{background:linear-gradient(135deg,#1d4ed8,#2563eb)!important;color:#ffffff!important;box-shadow:0 6px 24px rgba(59,130,246,.6)!important}html.dark .landing-btn-primary .btn-arrow,html.dark .landing-btn-primary span{color:#ffffff!important}html.dark .landing-btn-secondary{background:#1e293b;border-color:#334155;color:#f8fafc}html.dark .landing-btn-secondary:hover{border-color:#38bdf8;color:#38bdf8}html.dark .feature-showcase-section.alt-bg{background:var(--bg-card,#0f172a);border-top-color:rgba(255,255,255,.08)}html.dark .feature-mockup-card{background:#1e293b;border-color:#334155;box-shadow:0 20px 40px rgba(0,0,0,.45)}html.dark .mockup-card-header{border-bottom:1px solid rgba(255,255,255,.12)!important}html.dark .mockup-header-title{color:#f8fafc}html.dark .callout-bubble{background:#1e293b;border-color:#475569;color:#f8fafc;box-shadow:0 10px 25px rgba(0,0,0,.5)}html.dark .callout-bubble:hover{background:#0f172a;border-color:#38bdf8;color:#38bdf8;box-shadow:0 16px 36px rgba(56,189,248,.3)}html.dark .mockup-header-badge{background:rgba(56,189,248,.15);color:#38bdf8}html.dark .landing-metrics-bar{background:#1e293b;border-color:#334155;box-shadow:0 4px 16px rgba(0,0,0,.3)}@media (max-width:900px){.landing-container{padding-left:20px!important;padding-right:20px!important}.feature-showcase-grid,.feature-showcase-grid.reverse{grid-template-columns:1fr!important;gap:32px!important}.feature-showcase-grid.reverse .feature-mockup-col{order:2!important}.feature-showcase-grid.reverse .feature-info-col{order:1!important}.feature-info-col{text-align:center!important;align-items:center!important}.feature-showcase-title{font-size:clamp(22px,5.5vw,32px)!important;margin-bottom:12px!important}.feature-showcase-desc{max-width:580px!important;font-size:14.5px!important;line-height:1.6!important;margin-bottom:20px!important}}@media (max-width:768px){.animate-on-scroll,.animate-on-scroll.in-view,.callout-bubble,.callout-bubble-wrapper,.feature-mockup-card,.feature-mockup-col,.feature-showcase-section,.landing-metrics-bar-wrapper,.tilt-target{perspective:none!important;transform:none!important;transform-style:flat!important;will-change:auto!important;filter:none!important;backdrop-filter:none!important;opacity:1!important;transition:none!important}.landing-hero{padding:36px 0 24px!important}.landing-hero-title{font-size:clamp(28px,7.5vw,36px)!important;font-weight:800!important;line-height:1.15!important;letter-spacing:-.02em!important;max-width:340px!important;margin:0 auto 14px!important}.landing-hero-desc{font-size:14px!important;line-height:1.5!important;color:var(--text-muted)!important;max-width:310px!important;margin:0 auto 24px!important}.landing-cta-group{display:flex!important;flex-direction:column!important;align-items:center!important;justify-content:center!important;gap:12px!important;margin:0 auto 32px!important;width:100%!important;max-width:320px!important}.landing-btn-primary{font-weight:700!important;box-shadow:0 4px 14px rgba(9,12,155,.2)!important}.landing-btn-primary,.landing-btn-secondary{display:flex!important;align-items:center!important;justify-content:center!important;width:100%!important;padding:13px 20px!important;font-size:14px!important;border-radius:12px!important;box-sizing:border-box!important}.landing-btn-secondary{font-weight:600!important}.landing-metrics-bar-wrapper{width:100%!important}.landing-metrics-bar{display:grid!important;grid-template-columns:1fr 1fr!important;gap:12px 16px!important;padding:14px 18px!important;border-radius:16px!important;width:100%!important;box-sizing:border-box!important}.metric-divider{display:none!important}.metric-item{align-items:center!important;text-align:center!important}.metric-val{font-size:14px!important;font-weight:800!important}.metric-lbl{font-size:10.5px!important}.feature-showcase-section{padding:40px 0 48px!important}.feature-category-tag{font-size:10.5px!important;font-weight:800!important;letter-spacing:.08em!important;padding:3px 10px!important;margin-bottom:8px!important}.feature-showcase-title{font-size:clamp(22px,5.8vw,26px)!important;font-weight:800!important;line-height:1.22!important;letter-spacing:-.01em!important;margin-bottom:10px!important}.feature-showcase-desc{font-size:14px!important;line-height:1.55!important;color:var(--text-muted)!important;margin-bottom:20px!important}.feature-mockup-card{padding:16px!important;border-radius:16px!important;width:100%!important;box-sizing:border-box!important}.mockup-card-header{display:flex!important;align-items:center!important;justify-content:space-between!important;gap:10px!important;padding-bottom:12px!important;margin-bottom:14px!important}.mockup-header-title{font-size:14px!important;line-height:1.25!important}.mockup-header-badge{display:inline-flex!important;align-items:center!important;justify-content:center!important;text-align:center!important;font-size:10.5px!important;font-weight:700!important;line-height:1.2!important;padding:4px 10px!important;border-radius:999px!important;white-space:nowrap!important;flex-shrink:0!important}.mockup-filters-body{gap:16px!important}.filter-mock-row{display:flex!important;flex-direction:row!important;flex-wrap:wrap!important;align-items:center!important;gap:8px 8px!important;width:100%!important}.filter-mock-row .f-label{flex:0 0 100%!important;width:100%!important;font-size:11px!important;font-weight:800!important;text-transform:uppercase!important;letter-spacing:.08em!important;color:var(--text-muted,#64748b)!important;margin-bottom:2px!important}.filter-mock-row .f-tag{display:inline-flex!important;align-items:center!important;font-size:11.5px!important;font-weight:600!important;padding:6px 12px!important;border-radius:8px!important;margin:0!important;white-space:nowrap!important}.callout-bubble-wrapper{position:relative!important;top:auto!important;bottom:auto!important;left:auto!important;right:auto!important;margin:8px 0 0!important;padding:0!important;display:block!important;width:100%!important}.callout-bubble{white-space:normal!important;font-size:11px!important;padding:7px 12px!important;text-align:center!important;border-radius:999px!important;animation:none!important;box-shadow:0 2px 8px rgba(0,0,0,.05)!important;display:flex!important;align-items:center!important;justify-content:center!important;gap:6px!important}.mockup-solution-card{overflow-x:auto!important;-webkit-overflow-scrolling:touch!important}.mockup-solution-card table{min-width:280px!important;font-size:11px!important}.feature-mockup-card table{font-size:10.5px!important}.drill-action-badge{padding:2px 6px!important;font-size:9.5px!important}}@media (hover:none){.tilt-target{transform:none!important;box-shadow:none!important}}.google-auth-btn{width:100%;padding:11px 18px;border-radius:12px;border:1px solid #090c9b;background:linear-gradient(135deg,#090C9B,#0c1285 55%,#1789FC);color:#FFFFFF!important;font-size:14.5px;font-weight:600;letter-spacing:-.1px;cursor:pointer;gap:12px;font-family:inherit;transition:all .2s cubic-bezier(.16,1,.3,1);box-shadow:0 4px 14px rgba(9,12,155,.28),inset 0 1px 0 rgba(255,255,255,.25);position:relative;user-select:none;text-decoration:none}.google-auth-btn,.google-icon-badge{display:flex;align-items:center;justify-content:center}.google-icon-badge{width:26px;height:26px;border-radius:7px;background:#FFFFFF;box-shadow:0 1px 3px rgba(0,0,0,.16);flex-shrink:0}.google-auth-btn:hover:not(:disabled){background:linear-gradient(135deg,#0D16B5,#10199E 55%,#1FA0FF);box-shadow:0 6px 20px rgba(9,12,155,.38),inset 0 1px 0 rgba(255,255,255,.35);transform:translateY(-1.5px);color:#FFFFFF!important}.google-auth-btn:active:not(:disabled){transform:translateY(0) scale(.985);box-shadow:0 2px 6px rgba(9,12,155,.25)}.google-auth-btn:disabled{opacity:.7;cursor:not-allowed;transform:none}html.dark .google-auth-btn{background:linear-gradient(135deg,#4338CA,#3730A3 55%,#1E1B4B);border-color:rgba(255,255,255,.15);color:#FFFFFF!important;box-shadow:0 4px 18px rgba(99,102,241,.32),inset 0 1px 0 rgba(255,255,255,.2)}html.dark .google-auth-btn:hover:not(:disabled){background:linear-gradient(135deg,#4F46E5,#4338CA 55%,#312E81);border-color:rgba(255,255,255,.25);color:#FFFFFF!important;box-shadow:0 6px 24px rgba(99,102,241,.42),inset 0 1px 0 rgba(255,255,255,.3);transform:translateY(-1.5px)}html.dark .google-auth-btn:active:not(:disabled){transform:translateY(0) scale(.985);box-shadow:0 2px 8px rgba(0,0,0,.4)}