:root{--container-max: 720px;--space-xs: .5rem;--space-sm: 1rem;--space-md: 1.5rem;--space-lg: 2rem;--space-xl: 2.5rem;--space-2xl: 3rem;--radius-sm: 6px;--radius-md: 10px;--radius-card: 12px;--radius-lg: 14px;--radius-pill: 50px;--bg-base: #0f1216;--bg-elevated: #1a1e24;--bg-elevated-2: #252a32;--bg-card: rgba(22, 27, 34, .6);--border-subtle: rgba(48, 54, 61, .6);--text-primary: #f0f6fc;--text-secondary: #9ca3af;--text-muted: #6b7280;--accent-green: #059669;--accent-green-bright: #10b981;--accent-red: #da3633;--accent-amber: #f59e0b;--accent-amber-dim: #d97706;--gradient-title: linear-gradient(135deg, #9ca3af 0%, #e5e7eb 50%, #f9fafb 100%);--gradient-start: linear-gradient(135deg, #059669 0%, #10b981 100%);--shadow-card: 0 4px 24px rgba(0, 0, 0, .25);--shadow-glow: 0 0 20px rgba(5, 150, 105, .35);--ease: cubic-bezier(.25, .1, .25, 1);--duration: .25s;--duration-btn: .25s;--duration-ghost: .2s;--bp-mobile: 640px;--bp-tablet: 1024px;--tension-emerald: #10b981;--tension-amber: #f59e0b;--tension-coral: #f87171;--duration-meter: .3s;--log-bg: #0d1117;--log-border: #21262d;--log-key: #8b949e;--log-value: #8b949e;--overlay-bg: rgba(30, 27, 48, .75);--overlay-border: rgba(99, 102, 241, .4);--overlay-shadow: 0 8px 32px rgba(0, 0, 0, .35);--overlay-entrance-duration: .35s;--overlay-exit-duration: .3s}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:16px;-webkit-font-smoothing:antialiased}.coaching-overlay{position:fixed;top:var(--space-md);right:var(--space-md);z-index:1000;pointer-events:none;transform:translate(120%);opacity:0;transition:transform var(--overlay-entrance-duration) var(--ease),opacity var(--overlay-exit-duration) var(--ease)}.coaching-overlay__card{pointer-events:auto;max-width:320px;padding:var(--space-md) var(--space-lg);background:var(--overlay-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--overlay-border);border-radius:var(--radius-card);box-shadow:var(--overlay-shadow);position:relative}.coaching-overlay--visible{transform:translate(0);opacity:1}.coaching-overlay--exiting{transform:translate(0);opacity:0;transition-duration:var(--overlay-exit-duration)}.coaching-overlay__icon{position:absolute;top:var(--space-sm);right:var(--space-sm);width:20px;height:20px;display:flex;align-items:center;justify-content:center}.coaching-overlay__dot{width:8px;height:8px;border-radius:50%;background:#6366f1e6;position:relative;z-index:1}.coaching-overlay__pulse{position:absolute;top:-4px;right:-4px;bottom:-4px;left:-4px;border-radius:50%;background:#6366f159;animation:overlay-ai-pulse 1.8s ease-in-out infinite}@keyframes overlay-ai-pulse{0%,to{transform:scale(.8);opacity:.6}50%{transform:scale(1.4);opacity:0}}.coaching-overlay__text{font-family:"Source Serif 4",Georgia,serif;font-size:.95rem;font-weight:400;line-height:1.55;color:var(--text-primary);margin:0;padding-right:var(--space-xl)}.onboarding-modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1100;display:flex;align-items:center;justify-content:center;padding:var(--space-md);background:#0009;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);animation:onboarding-fade-in .25s var(--ease)}@keyframes onboarding-fade-in{0%{opacity:0}to{opacity:1}}.onboarding-modal__card{max-width:380px;width:100%;padding:var(--space-lg) var(--space-xl);background:var(--bg-card);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-subtle);border-radius:var(--radius-card);box-shadow:var(--shadow-card)}.onboarding-modal__title{margin:0 0 var(--space-md);font-size:1.15rem;font-weight:600;color:var(--text-primary)}.onboarding-modal__steps{margin:0 0 var(--space-lg);padding-left:1.25rem;color:var(--text-secondary);font-size:.9rem;line-height:1.6}.onboarding-modal__step{margin-bottom:var(--space-sm)}.onboarding-modal__step:last-child{margin-bottom:0}.onboarding-modal__step strong{color:var(--accent-green-bright);font-weight:600}.onboarding-modal__btn{width:100%;padding:var(--space-sm) var(--space-md);font-size:.95rem;font-weight:500;color:#fff;background:var(--gradient-start);border:none;border-radius:var(--radius-md);cursor:pointer;transition:transform var(--duration-btn) var(--ease),box-shadow var(--duration-btn) var(--ease)}.onboarding-modal__btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-glow)}.onboarding-modal__btn:focus-visible{outline:2px solid var(--accent-green-bright);outline-offset:2px}.webcam-preview{position:relative;margin-bottom:var(--space-lg);border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--border-subtle);background:var(--bg-elevated);max-width:320px}.webcam-preview--hidden{width:0;height:0;margin:0;overflow:hidden;border:0;opacity:0;pointer-events:none}.webcam-preview__video{display:block;width:100%;height:auto;max-height:240px;object-fit:cover}.webcam-preview__label{position:absolute;bottom:0;left:0;right:0;padding:var(--space-xs) var(--space-sm);font-size:.75rem;color:var(--text-muted);background:#0009}.app{min-height:100vh;max-width:var(--container-max);margin:0 auto;padding:var(--space-2xl) var(--space-md);background:radial-gradient(ellipse 80% 60% at 50% 0%,rgba(30,36,43,.5) 0%,transparent 50%),var(--bg-base);color:var(--text-primary)}.header{text-align:center;margin-bottom:var(--space-2xl)}.header h1{font-size:clamp(1.75rem,4vw,2.25rem);font-weight:700;margin:0 0 var(--space-xs) 0;letter-spacing:-.02em;background:var(--gradient-title);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.subtitle{font-size:1rem;color:var(--text-secondary);opacity:.7;margin:0;font-weight:500}.backend-indicator{display:inline-block;font-size:.75rem;font-weight:500;color:var(--text-muted);margin-top:var(--space-sm);padding:var(--space-xs) var(--space-sm);border-radius:var(--radius-pill);border:1px solid var(--border-subtle);background:var(--bg-elevated);transition:opacity var(--duration) var(--ease),box-shadow var(--duration) var(--ease)}.app .header .backend-indicator.pill-active{box-shadow:0 0 12px #05966940}.start-card{background:var(--bg-card);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-subtle);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:var(--space-xl);margin-bottom:var(--space-2xl)}.start-card .vision-toggle{display:flex;align-items:center;gap:var(--space-sm);color:var(--text-muted);font-size:.9rem;cursor:pointer;margin-bottom:var(--space-md)}.start-card .vision-toggle input{cursor:pointer;width:1rem;height:1rem}.start-card .onboarding-text{color:var(--text-muted);font-size:.9rem;text-align:center;max-width:360px;margin:var(--space-md) auto 0;line-height:1.6}.btn{padding:.875rem 2rem;font-size:1.05rem;font-weight:600;font-family:inherit;border-radius:var(--radius-pill);border:none;cursor:pointer;transition:transform var(--duration-btn) var(--ease),box-shadow var(--duration-btn) var(--ease),opacity var(--duration) var(--ease)}.btn:focus-visible{outline:2px solid var(--accent-green-bright);outline-offset:2px}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-start{background:var(--gradient-start);color:#fff;padding:1rem 2.5rem;font-size:1.1rem;box-shadow:var(--shadow-glow)}.btn-start:hover:not(:disabled){transform:scale(1.02);box-shadow:0 0 28px #05966973;transition-duration:var(--duration-btn)}.btn-start:active:not(:disabled){transform:scale(.99);transition-duration:var(--duration-btn)}.btn-stop{background:var(--accent-red);color:#fff}.btn-stop:hover{filter:brightness(1.08);transform:scale(1.02)}.btn-stop:active{transform:scale(.99)}.start-card .controls-row{display:flex;flex-direction:column;align-items:center;gap:var(--space-md)}.listening-indicator{display:inline-flex;align-items:center;gap:var(--space-sm);font-size:.9rem;color:var(--accent-green-bright);font-weight:500}.listening-dot{width:10px;height:10px;border-radius:50%;background:var(--accent-green-bright);animation:pulse-dot 1.5s ease-in-out infinite}@keyframes pulse-dot{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.85)}}.start-card .error{color:#f85149;font-size:.85rem;margin-top:var(--space-sm)}.tension-visualizer{margin-bottom:var(--space-lg)}.tension-visualizer__header{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:var(--space-xs)}.tension-visualizer__label{font-size:.8rem;font-weight:500;color:var(--text-muted)}.tension-visualizer__value{font-size:1rem;font-weight:600;font-variant-numeric:tabular-nums;color:var(--text-primary)}.tension-visualizer__track{height:10px;background:#0000004d;border-radius:var(--radius-pill);overflow:hidden}.tension-visualizer__fill{height:100%;border-radius:var(--radius-pill);transition:width var(--duration-meter) var(--ease)}.tension-visualizer--pulse .tension-visualizer__track{animation:tension-pulse 1.5s ease-in-out infinite}@keyframes tension-pulse{0%,to{box-shadow:0 0 #f8717140}50%{box-shadow:0 0 0 6px #f8717100}}.status-cards{display:flex;flex-direction:column;gap:var(--space-lg);margin-bottom:var(--space-2xl)}.transcript-section{background:var(--bg-elevated);border:1px solid var(--border-subtle);border-radius:var(--radius-card);padding:var(--space-md)}.transcript-heading{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;margin:0 0 var(--space-sm) 0;color:var(--text-muted)}.transcript-text{font-size:.9rem;line-height:1.55;min-height:2.5rem;max-height:12rem;overflow-y:auto;padding:var(--space-sm);background:#0003;border-radius:var(--radius-sm);white-space:pre-wrap;word-break:break-word;color:var(--text-secondary)}.transcript-hint{font-size:.7rem;color:var(--text-muted);margin:var(--space-xs) 0 0}.whisper-box{max-width:100%;padding:var(--space-lg);background:var(--bg-elevated);border:1px solid rgba(245,158,11,.25);border-left:4px solid var(--accent-amber);border-radius:var(--radius-card);animation:whisper-slide-in .3s var(--ease)}@keyframes whisper-slide-in{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.whisper-move{font-size:.65rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted);margin-bottom:var(--space-xs)}.whisper-text{font-size:1.05rem;font-style:italic;color:var(--accent-amber);line-height:1.6}.advanced{margin-top:var(--space-xl);background:var(--bg-card);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-subtle);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:var(--space-md) var(--space-lg)}.advanced-toggle{width:100%;display:flex;align-items:center;justify-content:space-between;padding:var(--space-sm) 0;background:none;border:none;color:var(--text-muted);font-size:.85rem;font-family:inherit;cursor:pointer;transition:color var(--duration) var(--ease)}.advanced-toggle:hover{color:var(--text-secondary)}.advanced-toggle:focus-visible{outline:2px solid var(--border-subtle);outline-offset:2px}.advanced-content{margin-top:var(--space-sm)}.rms-level-meter{margin-bottom:var(--space-sm)}.rms-level-meter__label{font-size:.75rem;font-weight:500;color:var(--text-muted);margin-bottom:var(--space-xs)}.rms-level-meter__bar-wrap{height:6px;background:#00000040;border-radius:var(--radius-pill);overflow:hidden}.rms-level-meter__bar{height:100%;background:var(--accent-green-bright);border-radius:var(--radius-pill);transition:width var(--duration-meter) var(--ease)}.rms-level-meter__sparkline{display:flex;align-items:flex-end;gap:2px;height:20px;margin-top:var(--space-xs)}.rms-level-meter__sparkline-seg{flex:1;min-width:2px;background:var(--accent-green-bright);opacity:.7;border-radius:1px}.advanced-tip{font-size:.75rem;color:var(--text-muted);margin:var(--space-sm) 0 0;line-height:1.4}.logs-section{margin-top:var(--space-2xl);padding-top:var(--space-lg)}.logs-toggle{background:transparent;border:1px solid var(--log-border);color:var(--text-muted);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-sm);cursor:pointer;font-size:.8rem;font-family:inherit;transition:color var(--duration-ghost) var(--ease),border-color var(--duration-ghost) var(--ease),background var(--duration-ghost) var(--ease)}.logs-toggle:hover{color:var(--text-secondary);border-color:var(--log-key);background:#ffffff0f}.logs-toggle:focus-visible{outline:2px solid var(--border-subtle);outline-offset:2px}.logs-list{max-height:200px;overflow-y:auto;border:1px solid var(--log-border);border-radius:var(--radius-card);background:var(--log-bg);padding:var(--space-sm);margin-top:var(--space-sm);font-family:ui-monospace,SF Mono,Consolas,monospace;font-size:.75rem;line-height:1.5}.logs-empty{padding:var(--space-md);color:var(--log-value);font-size:.8rem}.log-entry{display:flex;align-items:flex-start;gap:var(--space-sm);padding:var(--space-xs) var(--space-sm);font-size:.7rem;font-family:ui-monospace,SF Mono,Consolas,monospace;border-radius:var(--radius-sm);word-break:break-all;transition:background var(--duration) var(--ease)}.log-entry:hover{background:#33415566}.log-in{border-left:2px solid var(--accent-green-bright)}.log-out{border-left:2px solid var(--log-key)}.log-ts{flex-shrink:0;color:var(--log-value);opacity:.9}.log-dir{flex-shrink:0;font-weight:600;color:var(--log-value)}.log-text{flex:1;min-width:0}.log-entry .log-json-key{color:var(--log-key)}.log-entry .log-json-value,.log-entry .log-json-string,.log-entry .log-text-plain{color:var(--log-value)}@media(max-width:640px){.app{padding:var(--space-lg) var(--space-sm)}.coaching-overlay{top:var(--space-sm);right:var(--space-sm)}.coaching-overlay__card{max-width:260px}.status-cards{gap:var(--space-md);margin-bottom:var(--space-lg)}.advanced{margin-top:var(--space-lg);padding:var(--space-sm) var(--space-md)}.logs-section{margin-top:var(--space-lg);padding-top:var(--space-md)}.logs-list{max-height:180px}}@media(min-width:641px)and (max-width:1024px){.app{padding:var(--space-xl) var(--space-md)}}:root{font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.5;color:#e0e0e0;background:#0d1117}body{margin:0}#root{min-height:100vh;padding:1.5rem;box-sizing:border-box}