.layout{min-height:100vh;display:flex;flex-direction:column}.header{background:#0a0a0fcc;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:100}.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}.logo{display:flex;align-items:center;gap:12px;color:var(--text-primary)}.logo-text{font-size:22px;font-weight:700;letter-spacing:-.5px}.header-right{display:flex;align-items:center;gap:20px}.user-menu-container{position:relative}.user-menu-trigger{display:flex;align-items:center;gap:10px;padding:8px 12px;background:transparent;border:1px solid transparent;border-radius:var(--radius-md);cursor:pointer;transition:all .2s;color:var(--text-primary)}.user-menu-trigger:hover{background:var(--bg-card);border-color:var(--border-color)}.user-avatar{width:36px;height:36px;border-radius:50%;background:var(--accent-gradient);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:14px;color:#fff}.user-name{font-size:14px;color:var(--text-secondary);max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.menu-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:99}.user-menu{position:absolute;top:calc(100% + 8px);right:0;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);min-width:200px;overflow:hidden;z-index:100;box-shadow:0 10px 40px #0000004d}.menu-header{padding:12px 16px;border-bottom:1px solid var(--border-color)}.menu-email{font-size:13px;color:var(--text-muted)}.menu-item{width:100%;display:flex;align-items:center;gap:12px;padding:12px 16px;background:transparent;border:none;color:var(--text-primary);font-size:14px;cursor:pointer;transition:background .2s;text-align:left}.menu-item:hover{background:var(--bg-card-hover)}.menu-item.danger{color:var(--error)}.menu-item.danger:hover{background:var(--error-bg)}.menu-item.upgrade{color:var(--warning)}.menu-item.upgrade:hover{background:var(--warning-bg)}.delete-modal{text-align:center}.delete-icon{width:64px;height:64px;margin:0 auto 20px;background:var(--error-bg);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--error)}.trial-banner{background:linear-gradient(135deg,var(--warning) 0%,#f97316 100%);color:#fff;padding:10px 24px;display:flex;align-items:center;justify-content:center;gap:16px;font-size:14px;font-weight:500}.upgrade-link{background:#fff;color:var(--warning);padding:6px 16px;border-radius:20px;font-weight:600;font-size:13px;transition:transform .2s}.upgrade-link:hover{transform:scale(1.05);color:var(--warning)}.lifetime-banner{background:linear-gradient(135deg,var(--accent-primary) 0%,var(--accent-secondary) 100%);color:#fff;padding:8px 24px;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:500}.main-content{flex:1;padding:40px 0}@media (max-width: 768px){.user-name{display:none}.header-inner{height:64px}.logout-btn span{display:none}}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.auth-container{width:100%;max-width:420px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:40px;box-shadow:var(--shadow-glow)}.auth-header{text-align:center;margin-bottom:32px}.auth-logo{margin-bottom:20px}.auth-header h1{font-size:28px;font-weight:700;margin-bottom:8px;letter-spacing:-.5px}.auth-header p{color:var(--text-secondary);font-size:15px}.auth-error{background:var(--error-bg);border:1px solid var(--error);color:var(--error);padding:12px 16px;border-radius:var(--radius-md);font-size:14px;margin-bottom:20px;text-align:center}.auth-success{background:var(--success-bg);border:1px solid var(--success);color:var(--success);padding:12px 16px;border-radius:var(--radius-md);font-size:14px;margin-bottom:20px;text-align:center}.google-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:12px;padding:14px 24px;background:#fff;color:#333;font-size:15px;font-weight:500;border-radius:var(--radius-md);border:none;cursor:pointer;transition:all .2s}.google-btn:hover:not(:disabled){background:#f5f5f5;transform:translateY(-1px)}.google-btn:disabled{opacity:.6;cursor:not-allowed}.auth-divider{display:flex;align-items:center;margin:24px 0}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:var(--border-color)}.auth-divider span{padding:0 16px;color:var(--text-muted);font-size:13px;text-transform:uppercase;letter-spacing:1px}.auth-form{display:flex;flex-direction:column;gap:20px}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{font-size:14px;font-weight:500;color:var(--text-secondary)}.auth-submit{width:100%;margin-top:8px}.auth-switch{text-align:center;margin-top:24px;font-size:14px;color:var(--text-secondary)}.auth-switch a{font-weight:600}.verify-container{text-align:center}.verify-icon{width:100px;height:100px;margin:0 auto 24px;background:var(--accent-gradient);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff}.verify-container h1{font-size:26px;margin-bottom:12px}.verify-text{color:var(--text-secondary);margin-bottom:28px;line-height:1.6}.verify-text strong{color:var(--text-primary)}.verify-actions{display:flex;flex-direction:column;gap:12px}.verify-hint{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:24px;font-size:13px;color:var(--text-muted)}@media (max-width: 480px){.auth-container{padding:28px 20px}.auth-header h1{font-size:24px}}.topics-header{margin-bottom:40px}.topics-header-top{display:flex;justify-content:space-between;align-items:flex-start;gap:20px}.topics-header h1{font-size:36px;font-weight:700;margin-bottom:8px;letter-spacing:-1px}.topics-header p{color:var(--text-secondary);font-size:16px}.favorites-btn{display:flex;align-items:center;gap:8px;padding:12px 20px;background:linear-gradient(135deg,#ec4899,#f472b6);color:#fff;border:none;border-radius:var(--radius-md);font-size:15px;font-weight:600;cursor:pointer;transition:all .2s;box-shadow:0 4px 20px #ec48994d}.favorites-btn:hover{transform:translateY(-2px);box-shadow:0 6px 30px #ec489966}.topics-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px}.topic-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:28px;text-decoration:none;color:var(--text-primary);transition:all .3s ease;display:flex;flex-direction:column;gap:20px}.topic-card:hover{border-color:var(--accent-primary);transform:translateY(-4px);box-shadow:var(--shadow-glow)}.topic-icon{width:56px;height:56px;background:var(--accent-gradient);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:#fff}.topic-name{font-size:20px;font-weight:600;line-height:1.3}.topic-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.stat{text-align:center;padding:12px 8px;background:var(--bg-secondary);border-radius:var(--radius-sm)}.stat-value{display:block;font-size:20px;font-weight:700;font-family:var(--font-mono)}.stat-label{display:block;font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-top:4px}.stat.remaining .stat-value{color:var(--warning)}.stat.mistakes .stat-value{color:var(--error)}.stat.mastered .stat-value{color:var(--success)}.topic-progress{display:flex;flex-direction:column;gap:8px}.progress-bar{height:8px;background:var(--bg-secondary);border-radius:4px;overflow:hidden}.progress-fill{height:100%;border-radius:4px;transition:width .5s ease}.progress-fill.mastered{background:var(--success)}.progress-text{font-size:13px;color:var(--text-secondary)}.loading-state,.error-state,.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:80px 24px;text-align:center}.loading-state p,.error-state p,.empty-state p{color:var(--text-secondary)}.empty-state svg{color:var(--text-muted)}.empty-state h3{font-size:20px;margin-top:8px}@media (max-width: 768px){.topics-header h1{font-size:28px}.topics-grid{grid-template-columns:1fr}.topic-stats{grid-template-columns:repeat(2,1fr)}}.back-link{display:inline-flex;align-items:center;gap:8px;color:var(--text-secondary);font-size:14px;margin-bottom:24px;transition:color .2s}.back-link:hover{color:var(--text-primary)}.topic-detail{max-width:800px;margin:0 auto}.topic-detail-header{display:flex;align-items:center;justify-content:center;gap:20px;margin-bottom:40px;text-align:center}.topic-detail-icon{width:72px;height:72px;background:var(--accent-gradient);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0}.topic-detail-header h1{font-size:32px;font-weight:700;margin-bottom:4px;letter-spacing:-.5px}.topic-detail-header p{color:var(--text-secondary)}.quiz-modes{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;justify-content:center}.quiz-mode-card{background:var(--bg-card);border:2px solid var(--border-color);border-radius:var(--radius-xl);padding:32px 24px;text-align:center;cursor:pointer;transition:all .3s ease}.quiz-mode-card:hover:not(:disabled){transform:translateY(-4px);box-shadow:var(--shadow-glow)}.quiz-mode-card:disabled{opacity:.5;cursor:not-allowed}.quiz-mode-card.remaining{border-color:var(--warning)}.quiz-mode-card.remaining:hover:not(:disabled){background:var(--warning-bg);border-color:var(--warning)}.quiz-mode-card.mistakes{border-color:var(--error)}.quiz-mode-card.mistakes:hover:not(:disabled){background:var(--error-bg);border-color:var(--error)}.quiz-mode-card.mastered{border-color:var(--success)}.quiz-mode-card.mastered:hover:not(:disabled){background:var(--success-bg);border-color:var(--success)}.quiz-mode-card.favorites{border-color:var(--accent-primary)}.quiz-mode-card.favorites:hover:not(:disabled){background:#6366f126;border-color:var(--accent-primary)}.mode-count{font-size:48px;font-weight:700;font-family:var(--font-mono);line-height:1;margin-bottom:8px}.quiz-mode-card.remaining .mode-count{color:var(--warning)}.quiz-mode-card.mistakes .mode-count{color:var(--error)}.quiz-mode-card.mastered .mode-count{color:var(--success)}.quiz-mode-card.favorites .mode-count{color:var(--accent-primary)}.mode-label{font-size:18px;font-weight:600;margin-bottom:8px;color:var(--text-primary)}.mode-desc{font-size:13px;color:var(--text-muted);line-height:1.4}.reset-btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;margin-top:24px;padding:14px 20px;background:transparent;border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-secondary);font-size:14px;cursor:pointer;transition:all .2s}.reset-btn:hover{border-color:var(--error);color:var(--error);background:var(--error-bg)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000;padding:24px}.modal{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:32px;max-width:400px;width:100%}.modal h3{font-size:20px;margin-bottom:12px}.modal p{color:var(--text-secondary);font-size:14px;line-height:1.6;margin-bottom:24px}.modal-actions{display:flex;flex-direction:column;gap:10px}.modal-actions .btn{width:100%;justify-content:center}@media (max-width: 900px){.quiz-modes{grid-template-columns:repeat(2,1fr)}}@media (max-width: 768px){.topic-detail-header{flex-direction:column;text-align:center}.topic-detail-header h1{font-size:26px}.quiz-modes{grid-template-columns:1fr}.quiz-mode-card{padding:24px}.mode-count{font-size:40px}}.quiz-container{max-width:720px;margin:0 auto}.quiz-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.quiz-info{display:flex;align-items:center;gap:12px}.quiz-topic{font-weight:600;color:var(--text-primary)}.quiz-mode{padding:4px 12px;background:var(--accent-gradient);border-radius:20px;font-size:12px;font-weight:600;text-transform:capitalize}.exit-btn{color:var(--text-secondary)}.exit-btn:hover{color:var(--error)}.quiz-progress{margin-bottom:32px}.quiz-progress .progress-text{font-size:14px;color:var(--text-secondary);margin-bottom:8px}.quiz-progress .progress-bar{height:6px;background:var(--bg-secondary);border-radius:3px;overflow:hidden}.quiz-progress .progress-fill{height:100%;background:var(--accent-gradient);border-radius:3px;transition:width .3s ease}.question-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:36px}.question-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:32px}.question-text{font-size:20px;font-weight:500;line-height:1.5;flex:1}.favorite-btn{background:transparent;border:none;color:var(--text-muted);cursor:pointer;padding:8px;border-radius:var(--radius-sm);transition:all .2s;flex-shrink:0}.favorite-btn:hover{color:#ec4899;background:#ec48991a}.favorite-btn.active{color:#ec4899}.options-list{display:flex;flex-direction:column;gap:12px}.option-btn{display:flex;align-items:center;gap:16px;padding:18px 20px;background:var(--bg-secondary);border:2px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:15px;text-align:left;cursor:pointer;transition:all .2s}.option-btn:hover:not(:disabled){border-color:var(--accent-primary);background:#6366f10d}.option-btn:disabled{cursor:default}.option-btn.selected{border-color:var(--accent-primary);background:#6366f11a}.option-btn.correct{border-color:var(--success);background:var(--success-bg)}.option-btn.incorrect{border-color:var(--error);background:var(--error-bg)}.option-letter{width:32px;height:32px;background:var(--bg-card);border-radius:8px;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:14px;flex-shrink:0}.option-text{flex:1}.option-icon{flex-shrink:0}.option-btn.correct .option-icon{color:var(--success)}.option-btn.incorrect .option-icon{color:var(--error)}.reveal-section{text-align:center}.reveal-btn{padding:16px 40px}.revealed-answer{text-align:center}.answer-label{font-size:14px;color:var(--text-secondary);margin-bottom:8px}.answer-text{font-size:20px;font-weight:600;color:var(--success);padding:20px;background:var(--success-bg);border:1px solid var(--success);border-radius:var(--radius-md);margin-bottom:24px}.self-assessment{padding-top:16px;border-top:1px solid var(--border-color)}.self-assessment p{color:var(--text-secondary);margin-bottom:16px}.assessment-buttons{display:flex;gap:12px;justify-content:center}.assessment-buttons .btn{flex:1;max-width:180px}.explanation{margin-top:28px;padding-top:24px;border-top:1px solid var(--border-color)}.explanation-label{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--accent-primary);margin-bottom:12px}.explanation p{color:var(--text-secondary);line-height:1.7}.quiz-actions{margin-top:24px;display:flex;justify-content:flex-end}.next-btn{padding:14px 28px}@media (max-width: 640px){.question-card{padding:24px}.question-text{font-size:18px}.quiz-header{flex-direction:column;align-items:flex-start;gap:12px}.assessment-buttons{flex-direction:column}.assessment-buttons .btn{max-width:100%}}.results-container{max-width:720px;margin:0 auto}.results-header{text-align:center;margin-bottom:32px}.results-header h1{font-size:36px;font-weight:700;margin-bottom:8px}.exited-notice{color:var(--warning);font-size:14px}.score-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:48px;text-align:center;margin-bottom:24px}.score-circle{width:160px;height:160px;margin:0 auto 24px;background:conic-gradient(var(--score-color) calc(var(--percentage, 0) * 1%),var(--bg-secondary) calc(var(--percentage, 0) * 1%));border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative}.score-circle:before{content:"";position:absolute;top:12px;right:12px;bottom:12px;left:12px;background:var(--bg-card);border-radius:50%}.score-grade,.score-percentage{position:relative;z-index:1}.score-grade{font-size:48px;font-weight:700;color:var(--score-color);line-height:1}.score-percentage{font-size:18px;color:var(--text-secondary);font-family:var(--font-mono)}.score-message{font-size:20px;font-weight:600;color:var(--text-primary)}.results-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:32px}.stat-item{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:24px;display:flex;align-items:center;gap:16px}.stat-icon{width:48px;height:48px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center}.stat-icon.correct{background:var(--success-bg);color:var(--success)}.stat-icon.incorrect{background:var(--error-bg);color:var(--error)}.stat-icon.total{background:#6366f126;color:var(--accent-primary)}.stat-info .stat-value{font-size:28px;font-weight:700;font-family:var(--font-mono)}.stat-info .stat-label{font-size:13px;color:var(--text-secondary)}.results-details{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:28px;margin-bottom:32px}.results-details h2{font-size:18px;margin-bottom:20px}.results-list{display:flex;flex-direction:column;gap:12px;max-height:400px;overflow-y:auto}.result-item{display:flex;align-items:flex-start;gap:16px;padding:16px;background:var(--bg-secondary);border-radius:var(--radius-md);border-left:4px solid transparent}.result-item.correct{border-left-color:var(--success)}.result-item.incorrect{border-left-color:var(--error)}.result-status{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}.result-item.correct .result-status{background:var(--success-bg);color:var(--success)}.result-item.incorrect .result-status{background:var(--error-bg);color:var(--error)}.result-content{flex:1;min-width:0}.result-question{font-size:14px;margin-bottom:8px;line-height:1.4}.result-answer{font-size:13px;color:var(--text-secondary)}.result-answer .answer-label{color:var(--success);font-weight:500}.result-favorite-btn{background:transparent;border:none;color:var(--text-muted);cursor:pointer;padding:8px;border-radius:var(--radius-sm);transition:all .2s;flex-shrink:0;margin-left:auto}.result-favorite-btn:hover{color:#ec4899;background:#ec48991a}.result-favorite-btn.active{color:#ec4899}.results-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.results-actions .btn{min-width:150px}@media (max-width: 640px){.results-stats{grid-template-columns:1fr}.score-card{padding:32px}.score-circle{width:140px;height:140px}.score-grade{font-size:40px}.results-actions{flex-direction:column}.results-actions .btn{width:100%}}.favorites-page{max-width:800px;margin:0 auto}.favorites-header{display:flex;align-items:center;justify-content:center;gap:20px;margin-bottom:40px;text-align:center}.favorites-icon{width:72px;height:72px;background:linear-gradient(135deg,#ec4899,#f472b6);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0}.favorites-header h1{font-size:32px;font-weight:700;margin-bottom:4px;letter-spacing:-.5px}.favorites-header p{color:var(--text-secondary)}.empty-favorites{text-align:center;padding:60px 24px;color:var(--text-muted)}.empty-favorites svg{margin-bottom:20px;opacity:.5}.empty-favorites h3{font-size:20px;color:var(--text-primary);margin-bottom:8px}.favorites-list{display:flex;flex-direction:column;gap:16px}.favorite-topic{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);overflow:hidden}.topic-header{width:100%;display:flex;align-items:center;justify-content:space-between;padding:20px 24px;background:transparent;border:none;color:var(--text-primary);cursor:pointer;transition:background .2s}.topic-header:hover{background:var(--bg-card-hover)}.topic-info{display:flex;flex-direction:column;align-items:flex-start;gap:4px}.topic-name{font-size:18px;font-weight:600}.topic-count{font-size:14px;color:var(--text-secondary)}.chevron{transition:transform .2s}.topic-header.expanded .chevron{transform:rotate(180deg)}.topic-questions{border-top:1px solid var(--border-color);padding:16px;display:flex;flex-direction:column;gap:16px}.favorite-question{display:flex;gap:16px;padding:16px;background:var(--bg-secondary);border-radius:var(--radius-md)}.question-number{width:32px;height:32px;background:var(--accent-gradient);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:14px;flex-shrink:0}.question-content{flex:1;min-width:0}.question-content .question-text{font-size:15px;line-height:1.5;margin-bottom:12px}.question-answer{color:var(--success);font-size:14px;font-weight:500;margin-bottom:8px}.question-explanation{padding-top:8px;border-top:1px solid var(--border-color);color:var(--warning);font-size:13px;line-height:1.5}.remove-favorite-btn{background:transparent;border:none;color:#ec4899;cursor:pointer;padding:8px;border-radius:var(--radius-sm);transition:all .2s;flex-shrink:0;align-self:flex-start}.remove-favorite-btn:hover{background:#ec489926}@media (max-width: 768px){.favorites-header{flex-direction:column}.favorites-header h1{font-size:26px}.favorite-question{flex-direction:column}.question-number{align-self:flex-start}.remove-favorite-btn{align-self:flex-end}}.pricing-page{min-height:calc(100vh - 72px);display:flex;align-items:center;justify-content:center;padding:40px 24px}.pricing-container{max-width:900px;width:100%}.pricing-header{text-align:center;margin-bottom:48px}.pricing-header h1{font-size:36px;font-weight:700;margin-bottom:16px;letter-spacing:-1px}.trial-notice,.expired-notice,.active-notice,.lifetime-notice{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:var(--radius-md);font-size:15px}.trial-notice{background:var(--warning-bg);color:var(--warning)}.expired-notice{background:var(--error-bg);color:var(--error)}.active-notice{background:var(--success-bg);color:var(--success)}.lifetime-notice{background:#6366f126;color:var(--accent-primary)}.pricing-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.pricing-card{position:relative;background:var(--bg-card);border:2px solid var(--border-color);border-radius:var(--radius-xl);padding:32px;text-align:center}.pricing-card.monthly{border-color:var(--accent-primary)}.pricing-card.lifetime{border-color:var(--success)}.card-badge{position:absolute;top:-12px;left:50%;transform:translate(-50%);padding:6px 16px;background:var(--accent-gradient);color:#fff;font-size:12px;font-weight:600;border-radius:20px;text-transform:uppercase;letter-spacing:.5px}.card-badge.best-value{background:linear-gradient(135deg,var(--success) 0%,#10b981 100%)}.pricing-card h2{font-size:24px;margin-top:16px;margin-bottom:16px}.price{margin-bottom:24px}.price .amount{font-size:48px;font-weight:700;font-family:var(--font-mono)}.price .period{color:var(--text-secondary);font-size:16px}.trial-info{color:var(--success);font-size:14px;font-weight:500;margin-bottom:16px}.features{list-style:none;text-align:left;margin-bottom:32px}.features li{display:flex;align-items:center;gap:12px;padding:10px 0;color:var(--text-secondary);font-size:15px}.features li svg{color:var(--success);flex-shrink:0}.pricing-card .btn{width:100%;padding:16px;font-size:16px}.back-btn{display:block;margin:40px auto 0}.sync-section{text-align:center;margin-top:40px;padding-top:24px;border-top:1px solid var(--border-color)}.sync-section p{color:var(--text-muted);font-size:14px;margin-bottom:12px}@media (max-width: 768px){.pricing-header h1{font-size:28px}.pricing-cards{grid-template-columns:1fr}.price .amount{font-size:40px}}.success-page{min-height:calc(100vh - 72px);display:flex;align-items:center;justify-content:center;padding:40px 24px}.success-container{text-align:center;max-width:480px}.success-icon{width:100px;height:100px;margin:0 auto 32px;background:var(--success-bg);border:3px solid var(--success);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--success)}.success-container h1{font-size:32px;margin-bottom:16px}.success-container p{color:var(--text-secondary);font-size:16px;line-height:1.6;margin-bottom:32px}.success-container .btn{display:inline-flex;gap:8px}:root{--bg-primary: #0a0a0f;--bg-secondary: #12121a;--bg-card: #1a1a24;--bg-card-hover: #22222e;--border-color: #2a2a3a;--text-primary: #f0f0f5;--text-secondary: #8888a0;--text-muted: #5a5a70;--accent-primary: #6366f1;--accent-secondary: #8b5cf6;--accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);--success: #22c55e;--success-bg: rgba(34, 197, 94, .15);--error: #ef4444;--error-bg: rgba(239, 68, 68, .15);--warning: #f59e0b;--warning-bg: rgba(245, 158, 11, .15);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--shadow-glow: 0 0 40px rgba(99, 102, 241, .15);--font-primary: "Outfit", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "JetBrains Mono", monospace}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%}body{font-family:var(--font-primary);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100%;display:flex;flex-direction:column}body:before{content:"";position:fixed;top:0;left:0;right:0;bottom:0;background:radial-gradient(ellipse at 20% 20%,rgba(99,102,241,.08) 0%,transparent 50%),radial-gradient(ellipse at 80% 80%,rgba(139,92,246,.08) 0%,transparent 50%),radial-gradient(ellipse at 50% 50%,rgba(99,102,241,.03) 0%,transparent 70%);pointer-events:none;z-index:-1}a{color:var(--accent-primary);text-decoration:none;transition:color .2s}a:hover{color:var(--accent-secondary)}button{font-family:var(--font-primary);cursor:pointer;border:none;outline:none}input{font-family:var(--font-primary);outline:none}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;font-size:15px;font-weight:600;border-radius:var(--radius-md);transition:all .2s ease}.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:0 4px 20px #6366f14d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 30px #6366f166}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--accent-primary)}.btn-success{background:var(--success);color:#fff}.btn-success:hover{background:#1ea550}.btn-danger{background:var(--error);color:#fff}.btn-danger:hover{background:#dc2626}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover{color:var(--text-primary);background:var(--bg-card)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:24px}.input{width:100%;padding:14px 18px;font-size:15px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);transition:all .2s}.input:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px #6366f126}.input::placeholder{color:var(--text-muted)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes spin{to{transform:rotate(360deg)}}.animate-fade-in{animation:fadeIn .4s ease-out}.animate-slide-in{animation:slideIn .4s ease-out}.stagger-1{animation-delay:.1s}.stagger-2{animation-delay:.2s}.stagger-3{animation-delay:.3s}.stagger-4{animation-delay:.4s}.stagger-5{animation-delay:.5s}.spinner{width:40px;height:40px;border:3px solid var(--border-color);border-top-color:var(--accent-primary);border-radius:50%;animation:spin .8s linear infinite}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}