:root{--font-sans:"Outfit", "Kanit", system-ui, -apple-system, sans-serif;--bg-main:#f8fafc;--bg-surface:#fff;--bg-surface-hover:#f1f5f9;--border-color:#e2e8f0;--border-focus:#c084fc;--primary:#6d28d9;--primary-glow:#6d28d91f;--secondary:#db2777;--secondary-glow:#db27771f;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#64748b;--success:#059669;--success-glow:#05966914;--warning:#d97706;--danger:#dc2626;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000000d, 0 2px 4px -1px #00000008, 0 10px 20px -3px #00000008;--shadow-lg:0 20px 25px -5px #0f172a14, 0 10px 10px -5px #0f172a08;--transition:all .25s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-main);color:var(--text-primary);min-height:100vh;line-height:1.6;overflow-x:hidden}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-main)}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#94a3b8}#root{flex-direction:column;min-height:100vh;display:flex}.container{flex:1;width:100%;max-width:1200px;margin:0 auto;padding:24px}header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;margin-bottom:30px;padding:20px 0 30px;display:flex}.logo-container{align-items:center;gap:12px;display:flex}.logo-icon{background:linear-gradient(135deg, var(--primary), var(--secondary));width:42px;height:42px;box-shadow:0 4px 12px var(--primary-glow);color:#fff;border-radius:12px;justify-content:center;align-items:center;display:flex}.logo-text{letter-spacing:-.5px;background:linear-gradient(to right, #0f172a, var(--primary));-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:24px;font-weight:800}.logo-tagline{color:var(--primary);text-transform:uppercase;letter-spacing:2px;margin-top:-2px;font-size:11px;font-weight:700}.status-badge{color:var(--success);box-shadow:var(--shadow-sm);background:#05966914;border:1px solid #05966933;border-radius:99px;align-items:center;gap:8px;padding:6px 14px;font-size:13px;font-weight:500;display:flex}.status-indicator{background-color:var(--success);width:8px;height:8px;box-shadow:0 0 8px var(--success);border-radius:50%;animation:1.5s infinite pulse}.status-badge.mock-mode{color:var(--warning);background:#d9770614;border:1px solid #d9770633}.status-badge.mock-mode .status-indicator{background-color:var(--warning);box-shadow:0 0 8px var(--warning)}.app-grid{grid-template-columns:1fr 1.2fr;gap:30px;display:grid}@media (width<=1024px){.app-grid{grid-template-columns:1fr}}.card{background:var(--bg-surface);border:1px solid var(--border-color);box-shadow:var(--shadow-md);transition:var(--transition);border-radius:20px;padding:24px;position:relative;overflow:hidden}.card:hover{box-shadow:var(--shadow-lg);border-color:#cbd5e1}.card-title{color:var(--text-primary);align-items:center;gap:10px;margin-bottom:20px;font-size:18px;font-weight:600;display:flex}.badge{text-transform:uppercase;border-radius:6px;padding:4px 10px;font-size:12px;font-weight:500}.badge-easy{color:var(--success);background:#0596691a}.badge-medium{color:var(--warning);background:#d977061a}.badge-hard{color:var(--danger);background:#dc26261a}.badge-extreme{color:var(--primary);background:#6d28d914;border:1px solid #6d28d933}.scenario-selector{flex-direction:column;gap:15px;margin-bottom:20px;display:flex}.control-buttons-row{gap:12px;display:flex}.btn{font-family:var(--font-sans);cursor:pointer;transition:var(--transition);border:none;border-radius:12px;justify-content:center;align-items:center;gap:8px;padding:12px 20px;font-size:15px;font-weight:600;display:inline-flex}.btn-primary{background:linear-gradient(135deg, var(--primary), var(--secondary));color:#fff;box-shadow:0 4px 12px var(--primary-glow)}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 18px #6d28d959}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-secondary{color:var(--text-primary);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);background:#fff}.btn-secondary:hover:not(:disabled){background:#f8fafc;border-color:#cbd5e1}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.scenario-display{border:1px dashed var(--border-color);min-height:140px;transition:var(--transition);background:#f8fafc;border-radius:16px;flex-direction:column;justify-content:space-between;padding:20px;display:flex}.scenario-display.active{border-color:var(--primary);background:#6d28d905}.scenario-meta{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.scenario-text{color:var(--text-primary);margin-bottom:15px;font-size:18px;font-weight:500;line-height:1.6}.scenario-details-row{color:var(--text-secondary);gap:15px;font-size:13px;display:flex}.scenario-hint-box{border-left:4px solid var(--primary);color:var(--primary);background:#6d28d90d;border-radius:0 10px 10px 0;margin-top:15px;padding:10px 14px;font-size:13px;font-weight:500}.practice-container{flex-direction:column;gap:20px;margin-top:10px;display:flex}.speech-box{border:1px solid var(--border-color);background:#f8fafc;border-radius:16px;min-height:160px;max-height:250px;padding:20px;position:relative;overflow-y:auto}.speech-placeholder{color:var(--text-muted);flex-direction:column;justify-content:center;align-items:center;gap:10px;height:120px;font-style:italic;display:flex}.speech-text{white-space:pre-wrap;color:var(--text-primary);font-size:16px;line-height:1.6}.speech-interim{color:var(--primary);font-style:italic}.mic-controls{flex-direction:column;justify-content:center;align-items:center;gap:12px;margin:10px 0;display:flex}.mic-button-wrapper{width:90px;height:90px;position:relative}.mic-button{background:linear-gradient(135deg, var(--primary), var(--secondary));cursor:pointer;color:#fff;width:80px;height:80px;box-shadow:0 4px 16px var(--primary-glow);z-index:2;transition:var(--transition);border:none;border-radius:50%;justify-content:center;align-items:center;display:flex;position:absolute;top:5px;left:5px}.mic-button:hover{transform:scale(1.05);box-shadow:0 6px 20px #6d28d966}.mic-button:active{transform:scale(.95)}.mic-button.recording{background:linear-gradient(135deg, var(--danger), #f43f5e);box-shadow:0 0 25px #dc262666}.mic-ripple{border:2px solid var(--danger);opacity:0;z-index:1;pointer-events:none;border-radius:50%;width:100%;height:100%;animation:1.5s linear infinite ripple;position:absolute;top:0;left:0}.mic-ripple:nth-child(2){animation-delay:.75s}.status-text{color:var(--text-secondary);font-size:14px;font-weight:500}.timer{color:var(--text-primary);margin-top:5px;font-family:monospace;font-size:28px;font-weight:700}.timer.warning{color:var(--danger);animation:1s infinite alternate flash}.analysis-panel{flex-direction:column;gap:20px;min-height:500px;display:flex}.analysis-empty{color:var(--text-muted);text-align:center;border:1px dashed var(--border-color);background:#fff;border-radius:16px;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:15px;padding:40px 20px;display:flex}.analysis-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding-bottom:15px;display:flex}.analysis-score-container{align-items:center;gap:18px;display:flex}.circular-progress{width:76px;height:76px;position:relative}.circular-progress svg{transform:rotate(-90deg)}.circular-progress circle{fill:none;stroke-width:8px;stroke-linecap:round}.circular-progress .bg-circle{stroke:#0f172a0d}.circular-progress .progress-circle{stroke:url(#scoreGradient);stroke-dasharray:220;stroke-dashoffset:220px;transition:stroke-dashoffset 1s ease-in-out}.score-text{color:var(--text-primary);font-size:22px;font-weight:800;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.score-meta-text{flex-direction:column;display:flex}.score-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:1px;font-size:12px}.score-rating{color:var(--primary);font-size:18px;font-weight:700}.dimensions-grid{grid-template-columns:1fr 1fr;gap:15px;display:grid}@media (width<=600px){.dimensions-grid{grid-template-columns:1fr}}.dimension-card{border:1px solid var(--border-color);background:#f8fafc;border-radius:14px;padding:15px}.dimension-meta{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.dimension-name{color:var(--text-primary);font-size:14px;font-weight:600}.dimension-score{color:var(--secondary);font-size:14px;font-weight:700}.dimension-bar-bg{background:#e2e8f0;border-radius:3px;height:6px;margin-bottom:10px;overflow:hidden}.dimension-bar-fill{background:linear-gradient(90deg, var(--primary), var(--secondary));border-radius:3px;width:0;height:100%;transition:width 1s ease-in-out}.dimension-feedback{color:var(--text-secondary);font-size:12px;line-height:1.4}.strengths-improvements{grid-template-columns:1fr 1fr;gap:15px;display:grid}@media (width<=600px){.strengths-improvements{grid-template-columns:1fr}}.bullets-box{border-radius:14px;padding:16px}.bullets-box.strengths{background:#0596690a;border:1px solid #05966926}.bullets-box.improvements{background:#dc26260a;border:1px solid #dc262626}.bullets-title{align-items:center;gap:8px;margin-bottom:10px;font-size:14px;font-weight:600;display:flex}.bullets-title.strengths{color:var(--success)}.bullets-title.improvements{color:var(--danger)}.bullets-list{flex-direction:column;gap:8px;list-style-type:none;display:flex}.bullets-list li{color:var(--text-secondary);padding-left:18px;font-size:13px;line-height:1.4;position:relative}.bullets-list li:before{content:"•";font-weight:700;position:absolute;left:5px}.bullets-box.strengths .bullets-list li:before{color:var(--success)}.bullets-box.improvements .bullets-list li:before{color:var(--danger)}.fillers-container{flex-wrap:wrap;gap:8px;margin-top:10px;display:flex}.filler-tag{color:var(--danger);background:#dc26260f;border:1px solid #dc262626;border-radius:6px;padding:3px 10px;font-size:12px;font-weight:500}.improved-speech-card{background:#6d28d90a;border:1px solid #6d28d91f;border-radius:14px;padding:18px}.improved-title{color:var(--primary);align-items:center;gap:8px;margin-bottom:10px;font-size:14px;font-weight:600;display:flex}.improved-text{color:var(--text-primary);white-space:pre-wrap;border:1px solid var(--border-color);background:#fff;border-radius:8px;padding:12px;font-size:14px;font-style:italic;line-height:1.6}.coach-summary-box{color:var(--text-secondary);border-left:4px solid var(--secondary);border-right:1px solid var(--border-color);border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color);background:#f8fafc;border-radius:14px;padding:16px;font-size:13px;line-height:1.5}.loading-overlay{color:var(--text-secondary);flex-direction:column;justify-content:center;align-items:center;gap:15px;padding:60px 0;display:flex}.spinner{border:3px solid #6d28d91a;border-top-color:var(--primary);border-radius:50%;width:40px;height:40px;animation:1s linear infinite spin}@keyframes pulse{0%{opacity:.7;transform:scale(.95)}50%{opacity:1;transform:scale(1.05)}to{opacity:.7;transform:scale(.95)}}@keyframes ripple{0%{opacity:.5;transform:scale(.8)}to{opacity:0;transform:scale(1.3)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes flash{to{opacity:.5}}.modal-backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:100;background:#0f172a99;justify-content:center;align-items:center;width:100vw;height:100vh;display:flex;position:fixed;top:0;left:0}.modal{background:var(--bg-surface);border:1px solid var(--border-color);width:100%;max-width:480px;box-shadow:var(--shadow-lg);border-radius:20px;padding:24px}.form-group{margin-bottom:18px}.form-group label{color:var(--text-secondary);margin-bottom:8px;font-size:14px;font-weight:500;display:block}.form-control{border:1px solid var(--border-color);width:100%;color:var(--text-primary);font-family:var(--font-sans);transition:var(--transition);background:#fff;border-radius:8px;padding:12px;font-size:14px}.form-control:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #6d28d926}.modal-footer{justify-content:flex-end;gap:12px;margin-top:24px;display:flex}.config-trigger-btn{border:1px solid var(--border-color);color:var(--text-primary);cursor:pointer;transition:var(--transition);box-shadow:var(--shadow-sm);background:#fff;border-radius:8px;align-items:center;gap:6px;padding:8px 14px;font-size:13px;display:flex}.config-trigger-btn:hover{background:#f8fafc;border-color:#cbd5e1}.tts-btn{border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;transition:var(--transition);box-shadow:var(--shadow-sm);background:#fff;border-radius:20px;align-items:center;gap:6px;padding:6px 12px;font-size:12px;font-weight:500;display:inline-flex}.tts-btn:hover{color:var(--primary);background:#6d28d90d;border-color:#6d28d94d;transform:translateY(-1px)}.tts-btn:active{transform:translateY(0)}.tts-btn.playing{color:var(--secondary);background:#db27771a;border-color:#db277766;animation:2.2s infinite alternate pulse}