:root{--primary-blue: #2563EB;--primary-bg: #FFFFFF;--text-main: #111827;--text-sub: #6B7280;--border-color: #E5E7EB;--bg-gray: #F9FAFB;--radius-lg: 12px;--radius-md: 8px;--font-inter: "Inter", sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-inter);background-color:var(--primary-bg);color:var(--text-main);overflow-x:hidden;-webkit-font-smoothing:antialiased}.login-container{display:flex;height:100vh}.login-left{flex:1;background-color:#f8fafc;padding:60px;display:flex;flex-direction:column;justify-content:center}.brand-hero{display:flex;align-items:center;gap:16px;margin-bottom:24px}.logo-large{width:56px;height:56px;background-color:var(--primary-blue);border-radius:16px;display:flex;align-items:center;justify-content:center}.brand-hero h1{font-size:36px;font-weight:600}.hero-sub{font-size:20px;color:var(--text-sub);margin-bottom:60px;max-width:400px;line-height:1.5}.feature-list{display:flex;flex-direction:column;gap:32px}.feature-item{display:flex;gap:16px}.icon-box{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.purple-soft{background:#f3e8ff}.blue-soft{background:#dbeafe}.feature-text h3{font-size:16px;font-weight:600;margin-bottom:4px}.feature-text p{font-size:14px;color:var(--text-sub);line-height:1.4}.login-right{flex:1;display:flex;align-items:center;justify-content:center;padding:40px}.login-card{width:100%;max-width:440px;padding:20px}.login-card h2{font-size:24px;margin-bottom:8px}.card-sub{font-size:14px;color:var(--text-sub);margin-bottom:32px}.auth-toggle{background:#f3f4f6;padding:4px;border-radius:100px;display:flex;margin-bottom:24px}.toggle-btn{flex:1;border:none;background:none;padding:10px;border-radius:100px;font-size:14px;font-weight:500;cursor:pointer;color:#6b7280}.toggle-btn.active{background:#fff;box-shadow:0 1px 2px #0000000d;color:#000}.form-group{margin-bottom:20px}.form-group label{display:block;font-size:14px;font-weight:500;margin-bottom:8px}.form-group input{width:100%;padding:12px 16px;background:#f9fafb;border:1px solid #E5E7EB;border-radius:8px;font-size:14px;outline:none}.form-group input:focus{border-color:var(--primary-blue);background:#fff}.btn-primary-black{width:100%;padding:12px;background:#000;color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;margin-top:12px}.navbar{display:flex;align-items:center;justify-content:space-between;padding:16px 40px;border-bottom:1px solid #E5E7EB;background:#fff}.nav-brand{display:flex;align-items:center;gap:12px}.logo-small{width:32px;height:32px;background:var(--primary-blue);border-radius:50%;display:flex;align-items:center;justify-content:center}.brand-name{font-weight:600;font-size:16px;display:block}.user-welcome{display:block;font-size:12px;color:var(--text-sub)}.btn-outline{border:1px solid #E5E7EB;background:#fff;padding:8px 16px;border-radius:6px;display:flex;align-items:center;gap:8px;font-size:14px;cursor:pointer}.dashboard-grid{padding:32px 40px;max-width:1400px;margin:0 auto}.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-bottom:32px}.stat-card{border:1px solid #E5E7EB;border-radius:12px;padding:20px;display:flex;align-items:flex-start;justify-content:space-between;background:#fff}.stat-info{display:flex;flex-direction:column;gap:4px}.stat-label{font-size:13px;color:var(--text-sub)}.stat-value{font-size:24px;font-weight:600}.stat-icon{width:40px;height:40px;border-radius:8px;display:flex;align-items:center;justify-content:center}.bg-blue-100{background:#dbeafe}.text-blue-600{color:#2563eb}.bg-orange-100{background:#ffedd5}.text-orange-600{color:#ea580c}.bg-green-100{background:#dcfce7}.text-green-600{color:#16a34a}.bg-purple-100{background:#f3e8ff}.text-purple-600{color:#9333ea}.dash-content{display:flex;gap:32px}.dash-main{flex:3}.dash-sidebar{flex:1;padding-left:24px}.section-header{margin-bottom:16px}.section-header h3{font-size:16px;font-weight:600}.section-header p{font-size:14px;color:var(--text-sub)}.cta-card-gradient{background:linear-gradient(135deg,#3b82f6,#a855f7);border-radius:16px;padding:32px;color:#fff;position:relative;overflow:hidden;margin-bottom:32px}.cta-content h3{font-size:20px;margin-bottom:8px}.cta-content p{font-size:14px;margin-bottom:24px;opacity:.9}.btn-white-icon{background:#fff;color:#000;border:none;padding:10px 20px;border-radius:8px;font-weight:500;display:flex;align-items:center;gap:8px;cursor:pointer}.recent-sessions{background:#fff;border:1px solid #E5E7EB;border-radius:12px;padding:24px;margin-bottom:24px}.recent-sessions h3{font-size:16px;margin-bottom:4px}.recent-sessions .sub-text{font-size:13px;color:var(--text-sub);margin-bottom:20px}.session-list{display:flex;flex-direction:column;gap:16px}.session-item{border:1px solid #F3F4F6;border-radius:8px;padding:16px;display:flex;align-items:center;justify-content:space-between}.sess-info{display:flex;flex-direction:column;gap:4px}.sess-title{font-weight:500;font-size:14px;display:flex;align-items:center;gap:8px}.sess-date{font-size:12px;color:var(--text-sub)}.badge{background:#f3f4f6;padding:2px 8px;border-radius:100px;font-size:10px;border:1px solid #E5E7EB}.sess-status{display:flex;align-items:center;gap:16px}.sess-score{text-align:right}.score-num{display:block;font-weight:600;font-size:14px}.score-lbl{display:block;font-size:10px;color:var(--text-sub)}.tag{padding:4px 12px;border-radius:100px;font-size:11px;font-weight:500}.tag.completed{background:#000;color:#fff}.tag.active-status{background:#f3f4f6;color:#6b7280}.today-progress{border:1px solid #E5E7EB;border-radius:12px;padding:24px}.today-progress h3{font-size:14px;margin-bottom:12px}.progress-info{display:flex;justify-content:space-between;font-size:12px;margin-bottom:8px}.progress-bar-bg{height:8px;background:#e5e7eb;border-radius:4px;overflow:hidden;margin-bottom:8px}.progress-bar-fill{height:100%;background:#000;border-radius:4px}.progress-tip{font-size:12px;color:var(--text-sub)}.dash-sidebar h3{font-size:14px;margin-bottom:24px}.profile-field{margin-bottom:24px}.profile-field label{display:block;font-size:12px;color:var(--text-sub);margin-bottom:8px}.profile-field select{width:100%;padding:8px 12px;background:#f9fafb;border:1px solid #E5E7EB;border-radius:6px;font-size:14px;outline:none;cursor:pointer}.profile-field select:focus{border-color:var(--primary-blue);background:#fff}.profile-field .val{font-size:14px;font-weight:500}.profile-field .chip{display:inline-block;padding:4px 12px;border-radius:6px;font-size:12px;background:#f3f4f6;font-weight:500}.chip.black{background:#000;color:#fff}.chip.outline{background:#fff;border:1px solid #E5E7EB}.setup-header{padding:20px 40px}.btn-text-icon{background:none;border:none;font-size:14px;font-weight:600;display:flex;align-items:center;gap:8px;cursor:pointer}.setup-container{padding:0 40px 40px;max-width:1400px;margin:0 auto}.setup-container h1{font-size:24px;margin-bottom:8px}.setup-sub{color:var(--text-sub);font-size:14px;margin-bottom:32px}.selectors-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:40px}.select-card{background:#fff;border:1px solid #E5E7EB;border-radius:12px;padding:24px}.select-card label{display:block;font-weight:600;font-size:14px;margin-bottom:16px}.select-card select,.select-fake{width:100%;padding:10px;background:#f9fafb;border:1px solid #F3F4F6;border-radius:6px;font-size:14px;outline:none;color:var(--text-main)}.select-fake{color:#9ca3af}.scenarios-section h3{font-size:16px;font-weight:600;margin-bottom:4px}.scenarios-section p{font-size:14px;color:var(--text-sub);margin-bottom:20px}.search-row{display:flex;gap:16px;margin-bottom:24px}.search-input{flex:1;background:#f9fafb;border-radius:8px;display:flex;align-items:center;padding:0 12px}.search-input input{border:none;background:none;flex:1;padding:12px;outline:none;font-size:14px}.category-filter{padding:10px 20px;background:#f3f4f6;border:none;border-radius:8px;font-size:14px;cursor:pointer}.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding-bottom:80px}.scenario-card{background:#fff;border:1px solid #E5E7EB;border-radius:12px;padding:20px;cursor:pointer;transition:all .2s}.scenario-card:hover{border-color:var(--primary-blue);box-shadow:0 4px 6px -1px #0000000d}.scenario-card h4{font-size:15px;margin-bottom:8px}.scenario-card p{font-size:13px;color:var(--text-sub);margin-bottom:16px;line-height:1.4;height:36px;overflow:hidden}.tag-gray{display:inline-block;background:#f3f4f6;color:#4b5563;padding:4px 10px;border-radius:6px;font-size:11px;font-weight:600}.sticky-footer{position:fixed;bottom:0;right:0;left:0;padding:20px 40px;background:#fff;border-top:1px solid #E5E7EB;display:flex;justify-content:flex-end;z-index:1000}.btn-start-float{background:var(--primary-blue);color:#fff;border:none;padding:12px 24px;border-radius:8px;font-weight:600;display:flex;align-items:center;gap:8px;cursor:pointer;transition:background .2s}.btn-start-float:hover:not(:disabled){background:#1d4ed8}.btn-start-float:disabled{background:#6d727d;cursor:not-allowed}.audio-recorder{margin:40px 0;text-align:center}.visualizer{border:1px solid #E5E7EB;border-radius:8px;margin:20px auto;display:block;background:#f9fafb}.controls{margin-top:20px}.btn-record{border:none;padding:14px 28px;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:10px;transition:all .2s}.btn-record.main{background:var(--primary-blue);color:#fff}.btn-record.main:hover:not(:disabled){background:#1d4ed8}.btn-record.main:disabled{background:#9ca3af;cursor:not-allowed}.btn-record.stop{background:#ef4444;color:#fff}.btn-record.stop:hover{background:#dc2626}.loading-screen{display:flex;align-items:center;justify-content:center;height:100vh;font-size:18px;color:var(--text-sub)}.markdown-content table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14px;background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 1px 3px #0000001a}.markdown-content th{background:#f8fafc;color:#475569;font-weight:600;text-align:left;padding:12px 16px;border-bottom:1px solid #E2E8F0}.markdown-content td{padding:12px 16px;border-bottom:1px solid #F1F5F9;color:#334155}.markdown-content tr:last-child td{border-bottom:none}.markdown-content strong{color:#2563eb}.markdown-content em{color:#ea580c;font-style:normal;font-weight:500}.score-circle{transition:transform .3s ease}.score-circle:hover{transform:scale(1.05)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.view{display:none}.view.active{display:block}.session-container{max-width:800px;margin:0 auto;text-align:center}.session-container h1{font-size:32px;margin-bottom:8px}.subtitle{color:var(--text-sub);font-size:16px;margin-bottom:40px}.interaction-area{margin:60px 0}.prompt-card{background:#fff;border:1px solid #E5E7EB;border-radius:12px;padding:32px}.prompt-card h3{font-size:20px;margin-bottom:16px}.prompt-card p{color:var(--text-sub);margin-bottom:20px}.phrase-box{font-size:24px;font-weight:500;margin:20px 0;padding:20px;border:2px dashed #D1D5DB;border-radius:8px;color:var(--text-main)}.feedback-card{background:#fff;border:1px solid #E5E7EB;border-radius:12px;padding:32px;animation:fadeIn .5s}.feedback-card h3{font-size:20px;margin-bottom:20px}.score-ring{font-size:48px;font-weight:700;color:var(--primary-blue);margin:20px}.feedback-card p{color:var(--text-sub);line-height:1.6;margin:16px 0}:root[data-theme=dark]{--primary-bg: #0F172A;--text-main: #F1F5F9;--text-sub: #94A3B8;--border-color: #334155;--bg-gray: #1E293B}[data-theme=dark] .navbar,[data-theme=dark] .stat-card,[data-theme=dark] .recent-sessions,[data-theme=dark] .today-progress,[data-theme=dark] .btn-outline,[data-theme=dark] .select-card,[data-theme=dark] .prompt-card,[data-theme=dark] .feedback-card,[data-theme=dark] .scenario-card{background:var(--bg-gray);border-color:var(--border-color)}[data-theme=dark] .select-card select,[data-theme=dark] .select-fake{background:var(--primary-bg);border-color:var(--border-color);color:var(--text-main)}[data-theme=dark] .scenario-card h4,[data-theme=dark] .scenarios-section h3,[data-theme=dark] .btn-outline{color:var(--text-main)}[data-theme=dark] .session-item,[data-theme=dark] .badge,[data-theme=dark] .tag.active-status,[data-theme=dark] .progress-bar-bg,[data-theme=dark] .profile-field select{background:var(--primary-bg);border-color:var(--border-color);color:var(--text-main)}[data-theme=dark] .profile-field select:focus{background:var(--primary-bg)}html[data-font-size=small]{zoom:.9}html[data-font-size=large]{zoom:1.15}.nav-actions{display:flex;align-items:center;gap:12px}.user-avatar{width:32px;height:32px;border-radius:50%;object-fit:cover;border:1px solid var(--border-color)}.notif-banner{padding:12px 20px;border-radius:var(--radius-md);font-size:14px;margin-bottom:16px;display:flex;align-items:center;gap:8px}.notif-reminder{background:#fef3c7;color:#92400e;border:1px solid #FDE68A}.notif-success{background:#dcfce7;color:#166534;border:1px solid #BBF7D0}