:root{--color-mode: "dark";--bg-primary: #232634;--bg-secondary: #2e3244;--bg-tertiary: #3a3f54;--bg-elevated: #454b63;--glass-bg: rgba(46, 50, 68, .85);--glass-border: rgba(255, 255, 255, .12);--text-primary: #f8f9fc;--text-secondary: #c4c9db;--text-muted: #8b92a8;--text-inverse: #232634;--input-bg: #3a3f54;--input-border: rgba(255, 255, 255, .2);--input-text: #f8f9fc;--input-placeholder: #8b92a8;--accent-primary: #1e40af;--accent-secondary: #0369a1;--accent-gradient: linear-gradient(135deg, #1e40af 0%, #1e3a8a 100%);--accent-text: #bfdbfe;--success: #10b981;--success-bg: rgba(16, 185, 129, .15);--warning: #f59e0b;--warning-bg: rgba(245, 158, 11, .15);--error: #e11d48;--error-bg: rgba(225, 29, 72, .15);--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-jp: "Noto Sans JP", serif;--font-cn: "Noto Sans SC", serif;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 2rem;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 4px 16px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--shadow-glow: 0 0 24px rgba(59, 130, 246, .4);--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .4s ease;--z-overlay: 100;--z-modal: 200;--z-toast: 300}[data-theme=light]{--color-mode: "light";--bg-primary: #E5F0FE;--bg-secondary: #d4e0f5;--bg-tertiary: #c3d0e5;--bg-elevated: #ffffff;--glass-bg: rgba(255, 255, 255, .9);--glass-border: rgba(229, 240, 254, .5);--text-primary: #1e2030;--text-secondary: #4a4f69;--text-muted: #6e7389;--text-inverse: #f8f9fc;--input-bg: #ffffff;--input-border: rgba(0, 0, 0, .15);--input-text: #1e2030;--input-placeholder: #6e7389;--accent-primary: #3b82f6;--accent-secondary: #0ea5e9;--accent-gradient: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%);--accent-text: #1e40af;--success: #16a34a;--success-bg: rgba(22, 163, 74, .12);--warning: #d97706;--warning-bg: rgba(217, 119, 6, .12);--error: #dc2626;--error-bg: rgba(220, 38, 38, .12);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .08);--shadow-md: 0 4px 16px rgba(0, 0, 0, .12);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .16);--shadow-glow: 0 0 24px rgba(37, 99, 235, .25)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);line-height:1.5;min-height:100vh;min-height:100dvh;overflow-x:hidden}body:before{content:"";position:fixed;inset:0;background:radial-gradient(circle at 20% 80%,rgba(129,140,248,.12) 0%,transparent 50%),radial-gradient(circle at 80% 20%,rgba(167,139,250,.12) 0%,transparent 50%);pointer-events:none;z-index:-1;transition:opacity var(--transition-base)}[data-theme=light] body:before{background:radial-gradient(circle at 20% 80%,rgba(99,102,241,.08) 0%,transparent 50%),radial-gradient(circle at 80% 20%,rgba(139,92,246,.08) 0%,transparent 50%)}#app{min-height:100vh;min-height:100dvh}.screen{display:none;min-height:100vh;min-height:100dvh}.screen.active{display:flex;flex-direction:column}.glass{background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border)}.card{border-radius:var(--radius-lg);padding:var(--space-lg)}#login-screen{justify-content:center;align-items:center;padding:var(--space-lg)}.login-container{width:100%;max-width:400px;text-align:center}.logo-section{margin-bottom:var(--space-xl)}.logo-icon{width:80px;height:80px;background:var(--accent-gradient);border-radius:var(--radius-xl);display:flex;align-items:center;justify-content:center;font-size:40px;margin:0 auto var(--space-md);box-shadow:var(--shadow-glow)}.logo-section h1{font-size:var(--text-2xl);font-weight:700;margin-bottom:var(--space-xs)}.subtitle{color:var(--text-secondary);font-size:var(--text-sm)}.login-card{padding:var(--space-xl);border-radius:var(--radius-xl)}.login-card h2{font-size:var(--text-xl);margin-bottom:var(--space-sm)}.login-desc{color:var(--text-secondary);font-size:var(--text-sm);margin-bottom:var(--space-lg)}.login-divider{display:flex;align-items:center;margin:var(--space-lg) 0;color:var(--text-muted);font-size:var(--text-sm)}.login-divider:before,.login-divider:after{content:"";flex:1;height:1px;background:var(--glass-border)}.login-divider span{padding:0 var(--space-md)}.login-footer{margin-top:var(--space-xl);color:var(--text-muted);font-size:var(--text-xs)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);border:none;border-radius:var(--radius-md);font-family:inherit;font-size:var(--text-base);font-weight:500;cursor:pointer;transition:all var(--transition-fast);touch-action:manipulation;-webkit-tap-highlight-color:transparent}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:var(--shadow-glow)}.btn-primary:hover:not(:disabled){box-shadow:0 0 30px #6366f180}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--glass-border)}.btn-secondary:hover:not(:disabled){background:var(--bg-secondary)}.btn-lg{padding:var(--space-md) var(--space-lg);font-size:var(--text-lg);width:100%}.btn-xl{padding:var(--space-lg) var(--space-xl);font-size:var(--text-xl);width:100%;border-radius:var(--radius-lg)}.btn-sm{padding:var(--space-xs) var(--space-sm);font-size:var(--text-sm)}.btn-icon-only{width:44px;height:44px;padding:0;background:transparent;border:none;color:var(--text-primary);font-size:var(--text-xl);cursor:pointer}.btn-icon,.play-icon{font-size:1.2em}.app-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-sm) var(--space-md);position:sticky;top:0;z-index:50}.header-left{display:flex;align-items:center;gap:var(--space-sm)}.logo-small{width:36px;height:36px;background:var(--accent-gradient);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:20px;font-family:var(--font-jp)}.header-title{font-size:var(--text-lg);font-weight:600}.header-right{display:flex;align-items:center;gap:var(--space-sm)}.user-badge{font-size:var(--text-sm);color:var(--text-secondary);max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.home-content{flex:1;padding:var(--space-md);display:flex;flex-direction:column;gap:var(--space-md);max-width:600px;margin:0 auto;width:100%}.welcome-section h2{font-size:var(--text-xl);margin-bottom:var(--space-xs)}.welcome-section p{color:var(--text-secondary);font-size:var(--text-sm)}.card h3{font-size:var(--text-base);margin-bottom:var(--space-md);color:var(--text-primary);font-weight:500}.exam-tabs{display:flex;gap:var(--space-sm)}.exam-tab-wrapper{flex:1;display:flex;flex-direction:column;gap:var(--space-sm);padding:var(--space-md);background:var(--bg-tertiary);border:2px solid transparent;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);position:relative}.exam-tab-wrapper.active{border-color:var(--accent-primary);background:#3b82f61a}.exam-tab-wrapper[aria-disabled=true]{opacity:.6;cursor:not-allowed}.exam-tab-header{display:flex;align-items:center;justify-content:center;gap:var(--space-sm)}.level-select{width:100%;padding:var(--space-xs) var(--space-sm);background:var(--bg-secondary);border:1px solid var(--glass-border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:var(--text-sm);font-family:inherit;cursor:pointer;text-align:center}.level-select:focus{outline:none;border-color:var(--accent-primary)}.level-select:disabled{opacity:.5;cursor:not-allowed}.exam-flag{font-size:var(--text-xl)}.exam-name{font-weight:500}.coming-soon{position:absolute;top:-8px;right:-8px;background:var(--warning);color:var(--text-inverse);font-size:var(--text-xs);font-weight:600;padding:2px 6px;border-radius:var(--radius-full)}.mode-cards{display:flex;flex-direction:column;gap:var(--space-sm)}.mode-card{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md);background:var(--bg-tertiary);border:2px solid transparent;border-radius:var(--radius-md);cursor:pointer;text-align:left;transition:all var(--transition-fast);width:100%}.mode-card.selected{border-color:var(--accent-primary);background:#6366f11a}.mode-icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;font-size:var(--text-2xl);background:var(--bg-secondary);border-radius:var(--radius-md)}.mode-info h4{font-size:var(--text-base);margin-bottom:2px;color:var(--text-primary)}.mode-info p{font-size:var(--text-sm);color:var(--text-primary);opacity:.85}.provider-settings{overflow:hidden}.provider-settings.collapsed .settings-content{display:none}.settings-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;padding:0;background:none;border:none;color:var(--text-secondary);font-size:var(--text-sm);cursor:pointer}.toggle-arrow{transition:transform var(--transition-fast)}.provider-settings:not(.collapsed) .toggle-arrow{transform:rotate(180deg)}.settings-content{display:flex;flex-direction:column;gap:var(--space-md);margin-top:var(--space-md);padding-top:var(--space-md);border-top:1px solid var(--glass-border)}.setting-group{display:flex;flex-direction:column;gap:var(--space-xs)}.setting-group label{font-size:var(--text-sm);color:var(--text-secondary)}.setting-group select{padding:var(--space-sm) var(--space-md);background:var(--input-bg);border:1px solid var(--input-border);border-radius:var(--radius-sm);color:var(--input-text);font-size:var(--text-base);font-family:inherit;cursor:pointer;transition:border-color var(--transition-fast)}.setting-group select:focus{outline:none;border-color:var(--accent-primary)}.setting-group select option{background:var(--bg-secondary);color:var(--text-primary)}.quick-links{display:flex;gap:var(--space-md);margin-top:auto}.quick-link{flex:1;display:flex;flex-direction:column;align-items:center;gap:var(--space-xs);padding:var(--space-md);background:var(--bg-secondary);border:1px solid var(--glass-border);border-radius:var(--radius-md);color:var(--text-secondary);font-size:var(--text-sm);cursor:pointer;transition:all var(--transition-fast)}.quick-link:hover{color:var(--text-primary);border-color:var(--accent-primary)}.quick-link span:first-child{font-size:var(--text-xl)}#loading-screen{justify-content:center;align-items:center}.loading-container{text-align:center}.loader-icon{font-size:48px;margin-bottom:var(--space-md);color:var(--accent-primary)}.progress-container{width:100%;max-width:300px;margin:var(--space-lg) auto 0}.progress-bar{height:8px;background:var(--bg-tertiary);border-radius:var(--radius-full);overflow:hidden;position:relative}.progress-fill{height:100%;background:var(--accent-gradient);border-radius:var(--radius-full);transition:width .3s ease;width:0%}.progress-text{font-size:var(--text-sm);color:var(--text-secondary);margin-top:var(--space-sm);font-variant-numeric:tabular-nums}#loading-text{font-size:var(--text-lg);margin-bottom:var(--space-sm)}.loading-hint{color:var(--text-secondary);font-size:var(--text-sm)}#test-screen{display:none}#test-screen.active{display:flex;flex-direction:column;height:100vh;height:100dvh;overflow:hidden}.test-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-sm) var(--space-md);flex-shrink:0;z-index:50}.timer-bar{display:flex;gap:var(--space-lg)}.timer{display:flex;flex-direction:column;align-items:center}.timer-label{font-size:var(--text-xs);color:var(--text-secondary)}.timer-value{font-size:var(--text-lg);font-weight:700;font-variant-numeric:tabular-nums}.timer.warning .timer-value{color:var(--warning);animation:pulse 1s ease-in-out infinite}.timer.danger .timer-value{color:var(--error);animation:pulse .5s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.mondai-nav{display:flex;align-items:center;justify-content:center;gap:var(--space-md);padding:var(--space-sm);margin:0 var(--space-md);border-radius:var(--radius-md);flex-shrink:0}.nav-btn{width:44px;height:44px;display:flex;align-items:center;justify-content:center;background:var(--bg-tertiary);border:none;border-radius:var(--radius-sm);color:var(--text-primary);font-size:var(--text-lg);cursor:pointer;transition:all var(--transition-fast)}.nav-btn:disabled{opacity:.3;cursor:not-allowed}.nav-btn:not(:disabled):hover{background:var(--accent-primary)}.mondai-progress{font-size:var(--text-lg);font-weight:600}.mondai-sep{color:var(--text-muted);margin:0 var(--space-xs)}.test-content{flex:1;padding:var(--space-md);overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch}.mondai-header{margin-bottom:var(--space-lg)}#mondai-title{font-size:var(--text-xl);margin-bottom:var(--space-sm)}.instructions{color:var(--text-secondary);font-size:var(--text-sm)}.passage-container{background:var(--bg-secondary);border-radius:var(--radius-md);padding:var(--space-md);margin-bottom:var(--space-lg)}.passage-container.hidden{display:none}.passage-controls{display:flex;gap:var(--space-sm);margin-bottom:var(--space-md)}.passage-text{font-family:var(--font-jp);font-size:var(--text-base);line-height:1.8;white-space:pre-wrap}.passage-text.zh{font-family:var(--font-cn)}.questions-container{display:flex;flex-direction:column;gap:var(--space-lg)}.question-item{background:var(--bg-secondary);border-radius:var(--radius-md);padding:var(--space-md)}.question-number{font-size:var(--text-sm);color:var(--text-secondary);margin-bottom:var(--space-sm)}.question-prompt{font-size:var(--text-base);margin-bottom:var(--space-md);font-family:var(--font-jp);line-height:1.6}.question-prompt.zh{font-family:var(--font-cn)}.choices{display:flex;flex-direction:column;gap:var(--space-sm)}.choice{display:flex;align-items:flex-start;gap:var(--space-sm);padding:var(--space-md);background:var(--bg-tertiary);border:2px solid transparent;border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);text-align:left;width:100%;font-family:var(--font-jp)}.choice.zh{font-family:var(--font-cn)}.choice:hover{border-color:var(--glass-border)}.choice.selected{border-color:var(--accent-primary);background:#6366f11a}.choice-letter{flex-shrink:0;width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:var(--bg-secondary);border-radius:var(--radius-full);font-weight:600;font-size:var(--text-sm)}.choice.selected .choice-letter{background:var(--accent-primary)}.choice-text{flex:1;padding-top:2px}.audio-player{position:sticky;top:0;z-index:40;display:flex;flex-direction:column;gap:var(--space-sm);padding:var(--space-md);background:var(--bg-tertiary);border-bottom:1px solid var(--glass-border);margin-bottom:var(--space-lg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.audio-controls{display:flex;align-items:center;gap:var(--space-md)}.audio-script{margin-top:var(--space-sm);padding:var(--space-md);background:var(--bg-primary);border-radius:var(--radius-sm);font-family:var(--font-jp);font-size:var(--text-sm);line-height:1.6;max-height:200px;overflow-y:auto}.audio-script.hidden,.audio-player.hidden{display:none}.audio-status{color:var(--text-secondary);font-size:var(--text-sm)}.test-footer{padding:var(--space-md);display:flex;align-items:center;justify-content:space-between;gap:var(--space-md);flex-shrink:0;border-top:1px solid var(--glass-border)}.question-dots{display:flex;gap:var(--space-xs);flex-wrap:wrap;flex:1}.question-dot{width:12px;height:12px;border-radius:var(--radius-full);background:var(--bg-tertiary);border:1px solid var(--glass-border);cursor:pointer;transition:all var(--transition-fast)}.question-dot.answered{background:var(--accent-primary);border-color:var(--accent-primary)}.question-dot.current{border-color:var(--text-primary);transform:scale(1.2)}.focus-overlay{position:fixed;inset:0;background:var(--bg-primary);z-index:var(--z-overlay);display:flex;flex-direction:column;transition:opacity var(--transition-base)}.focus-overlay.hidden{display:none}.focus-content{flex:1;padding:var(--space-xl);overflow-y:auto;position:relative}.btn-close-focus{position:absolute;top:var(--space-md);right:var(--space-md);width:44px;height:44px;display:flex;align-items:center;justify-content:center;background:var(--bg-secondary);border:none;border-radius:var(--radius-full);color:var(--text-primary);font-size:var(--text-xl);cursor:pointer}.focus-passage{font-family:var(--font-jp);font-size:var(--text-xl);line-height:2;max-width:800px;margin:0 auto}.review-content{flex:1;padding:var(--space-md);display:flex;flex-direction:column;gap:var(--space-lg);max-width:800px;margin:0 auto;width:100%}.score-summary{display:flex;align-items:center;gap:var(--space-lg)}.score-circle{position:relative;width:120px;height:120px;flex-shrink:0}.score-circle svg{transform:rotate(-90deg)}.score-bg{fill:none;stroke:var(--bg-tertiary);stroke-width:8}.score-ring{fill:none;stroke:url(#scoreGradient);stroke-width:8;stroke-linecap:round;stroke-dasharray:283;stroke-dashoffset:283;transition:stroke-dashoffset 1s ease}.score-text{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}#score-value{font-size:var(--text-3xl);font-weight:700}#score-max{font-size:var(--text-sm);color:var(--text-secondary)}.score-details{flex:1}.score-groups{display:flex;flex-direction:column;gap:var(--space-xs);margin-bottom:var(--space-md)}.score-group-item{display:flex;justify-content:space-between;font-size:var(--text-sm)}.score-group-label{color:var(--text-secondary)}.recommendation{font-size:var(--text-sm);color:var(--text-secondary);font-style:italic}.weak-areas h3{margin-bottom:var(--space-sm)}.tags{display:flex;flex-wrap:wrap;gap:var(--space-sm)}.tag{padding:var(--space-xs) var(--space-sm);background:#ef444433;border:1px solid var(--error);border-radius:var(--radius-full);font-size:var(--text-xs);color:var(--error)}.review-questions h3{margin-bottom:var(--space-md)}.review-list{display:flex;flex-direction:column;gap:var(--space-md)}.review-item{background:var(--bg-secondary);border-radius:var(--radius-md);padding:var(--space-md);border-left:4px solid var(--success)}.review-item.incorrect{border-left-color:var(--error)}.review-item-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-sm)}.review-item-id{font-weight:600}.review-status{font-size:var(--text-sm)}.review-status.correct{color:var(--success)}.review-status.incorrect{color:var(--error)}.review-prompt{font-family:var(--font-jp);margin-bottom:var(--space-md)}.review-feedback{font-size:var(--text-sm);color:var(--text-secondary);padding-top:var(--space-md);border-top:1px solid var(--glass-border)}.feedback-section{margin-bottom:var(--space-md)}.feedback-section h4{font-size:var(--text-sm);color:var(--text-primary);margin-bottom:var(--space-xs)}.examples-list{list-style:none;padding:0;font-family:var(--font-jp)}.examples-list li{padding:var(--space-xs) 0}.history-content,.mistakes-content{flex:1;padding:var(--space-md);max-width:600px;margin:0 auto;width:100%}.history-list,.mistakes-list{display:flex;flex-direction:column;gap:var(--space-md)}.history-item{background:var(--bg-secondary);border-radius:var(--radius-md);padding:var(--space-md);cursor:pointer;transition:all var(--transition-fast)}.history-item:hover{background:var(--bg-tertiary)}.history-item-header{display:flex;justify-content:space-between;margin-bottom:var(--space-sm)}.history-exam{font-weight:600}.history-date{font-size:var(--text-sm);color:var(--text-secondary)}.history-score{font-size:var(--text-lg);font-weight:700;color:var(--accent-primary)}.empty-state{text-align:center;padding:var(--space-2xl);color:var(--text-muted)}.empty-state.hidden{display:none}.grammar-content{flex:1;padding:var(--space-md);max-width:800px;margin:0 auto;width:100%;display:flex;gap:var(--space-lg);overflow:hidden}.grammar-list{flex:1;overflow-y:auto;padding-right:var(--space-sm)}.grammar-item{background:var(--bg-secondary);border-radius:var(--radius-md);padding:var(--space-md);margin-bottom:var(--space-md);cursor:pointer;transition:all var(--transition-fast);border:1px solid transparent}.grammar-item:hover{background:var(--bg-tertiary);border-color:var(--glass-border)}.grammar-item h3{font-family:var(--font-jp);font-size:var(--text-lg);margin-bottom:var(--space-xs);color:var(--accent-primary)}.grammar-meaning{color:var(--text-secondary);font-size:var(--text-sm);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.grammar-detail{width:400px;background:var(--bg-secondary);border-radius:var(--radius-md);border:1px solid var(--glass-border);display:flex;flex-direction:column}.grammar-detail.hidden{display:none}.detail-content{padding:var(--space-lg);overflow-y:auto;flex:1}.btn-close-detail{align-self:flex-end;margin:var(--space-sm);background:none;border:none;color:var(--text-secondary);cursor:pointer;font-size:var(--text-xl)}.grammar-section{margin-bottom:var(--space-lg)}.grammar-section strong{display:block;margin-bottom:var(--space-xs);color:var(--text-secondary);font-size:var(--text-xs);text-transform:uppercase}#grammar-examples ul{list-style:none;padding:0}#grammar-examples li{margin-bottom:var(--space-sm);padding-left:var(--space-md);border-left:2px solid var(--accent-primary)}@media(max-width:768px){.grammar-content{flex-direction:column}.grammar-detail{position:fixed;inset:0;width:100%;z-index:100;border-radius:0}}.toast-container{position:fixed;bottom:var(--space-lg);left:50%;transform:translate(-50%);z-index:var(--z-toast);display:flex;flex-direction:column;gap:var(--space-sm)}.toast{background:var(--bg-secondary);border:1px solid var(--glass-border);border-radius:var(--radius-md);padding:var(--space-md) var(--space-lg);box-shadow:var(--shadow-lg);animation:slideUp .3s ease}.toast.error{border-color:var(--error)}.toast.success{border-color:var(--success)}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media(min-width:768px){.mode-cards{flex-direction:row}.mode-card{flex:1;flex-direction:column;text-align:center}.test-content{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-xl);align-items:start}.mondai-header{grid-column:1 / -1}.passage-container{position:sticky;top:100px;max-height:calc(100vh - 200px);overflow-y:auto}.audio-player{grid-column:1 / -1}.score-summary{padding:var(--space-xl)}.score-circle{width:160px;height:160px}}.hidden{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.modal{position:fixed;inset:0;z-index:var(--z-modal);display:flex;align-items:center;justify-content:center;padding:var(--space-md)}.modal.hidden{display:none}.modal-backdrop{position:absolute;inset:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-content{position:relative;width:100%;max-width:400px;padding:var(--space-xl);border-radius:var(--radius-xl);text-align:center}.modal-content h3{font-size:var(--text-xl);margin-bottom:var(--space-sm)}.modal-content p{color:var(--text-secondary);margin-bottom:var(--space-lg)}.email-input,.otp-input{width:100%;padding:var(--space-md);background:var(--input-bg);border:1px solid var(--input-border);border-radius:var(--radius-md);color:var(--input-text);font-size:var(--text-lg);text-align:center;margin-bottom:var(--space-md)}.otp-input{letter-spacing:.5em;font-family:monospace;font-size:var(--text-2xl)}.email-input:focus,.otp-input:focus{outline:none;border-color:var(--accent-primary)}.modal-actions{display:flex;gap:var(--space-sm);justify-content:center}.modal-actions .btn{flex:1}.error-text{color:var(--error);font-size:var(--text-sm);margin-top:var(--space-sm)}.error-text.hidden{display:none}