:root{color-scheme:light dark;--radius: 20px;--radius-sm: 14px;--radius-pill: 100px;--safe-bottom: env(safe-area-inset-bottom, 0px);--spring: cubic-bezier(.34, 1.56, .64, 1);--ease-out: cubic-bezier(.16, 1, .3, 1);--ease: cubic-bezier(.4, 0, .2, 1);--color-brand-navy: #0B1437;--color-brand-blue: #1677FF;--color-brand-blue-bright: #00A7FF;--color-brand-orange: #FF7A00;--color-brand-amber: #FFA63B;--color-bg-primary: #F7F9FC;--color-bg-surface: #FFFFFF;--color-bg-surface-2: #EFF3F8;--color-bg-glass: rgba(255, 255, 255, .82);--color-border: #E4EAF2;--color-border-focus: rgba(22, 119, 255, .35);--color-disabled: #CBD5E1;--color-text-primary: #101828;--color-text-secondary: #667085;--color-text-muted: #98A2B3;--color-surface-blue: #EAF4FF;--color-surface-orange: #FFF2E6;--color-success: #22C55E;--color-warning: #F59E0B;--color-error: #EF4444;--color-listening: #1677FF;--color-speaking: #FF7A00;--color-inactive: #94A3B8;--color-participant-a: #1677FF;--color-participant-a-soft: #EAF4FF;--color-participant-a-text: #0B1437;--color-participant-b: #FF7A00;--color-participant-b-soft: #FFF2E6;--color-participant-b-text: #5C2A00;--shadow-xs: 0 1px 2px rgba(0, 0, 0, .04);--shadow-sm: 0 1px 4px rgba(0, 0, 0, .06), 0 2px 8px rgba(0, 0, 0, .04);--shadow-md: 0 4px 16px rgba(0, 0, 0, .08), 0 2px 6px rgba(0, 0, 0, .04);--bg: var(--color-bg-primary);--surface: var(--color-bg-surface);--surface-2: var(--color-bg-surface-2);--surface-glass: var(--color-bg-glass);--border: var(--color-border);--border-focus: var(--color-border-focus);--text: var(--color-text-primary);--text-2: var(--color-text-secondary);--muted: var(--color-text-muted);--accent: var(--color-participant-a);--accent-fg: #FFFFFF;--accent-soft: rgba(22, 119, 255, .09);--accent-glow: 0 0 0 3px rgba(22, 119, 255, .18), 0 8px 28px rgba(22, 119, 255, .14);--danger: var(--color-error);--danger-soft: rgba(239, 68, 68, .08);--warn: var(--color-warning)}@media (prefers-color-scheme: dark){:root{--color-bg-primary: #07101F;--color-bg-surface: #101B33;--color-bg-surface-2: #172442;--color-bg-glass: rgba(7, 16, 31, .92);--color-border: #263553;--color-border-focus: rgba(64, 156, 255, .45);--color-disabled: #2D3F5A;--color-text-primary: #F8FAFC;--color-text-secondary: #A9B4C8;--color-text-muted: #52627A;--color-surface-blue: rgba(22, 119, 255, .14);--color-surface-orange: rgba(255, 122, 0, .13);--color-success: #4ADE80;--color-warning: #FBBF24;--color-error: #F87171;--color-listening: #409CFF;--color-speaking: #FF922B;--color-inactive: #52627A;--color-participant-a: #409CFF;--color-participant-a-soft: rgba(22, 119, 255, .15);--color-participant-a-text: #C7DFFF;--color-participant-b: #FF922B;--color-participant-b-soft: rgba(255, 122, 0, .13);--color-participant-b-text: #FFD4A3;--shadow-xs: 0 1px 2px rgba(0, 0, 0, .3);--shadow-sm: 0 1px 4px rgba(0, 0, 0, .25), 0 2px 8px rgba(0, 0, 0, .2);--shadow-md: 0 4px 16px rgba(0, 0, 0, .35), 0 2px 6px rgba(0, 0, 0, .25);--accent-soft: rgba(64, 156, 255, .14);--accent-glow: 0 0 0 3px rgba(64, 156, 255, .24), 0 8px 28px rgba(64, 156, 255, .18);--danger-soft: rgba(248, 113, 113, .1)}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Inter,Segoe UI,Roboto,system-ui,sans-serif;font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overscroll-behavior-y:none}button{font-family:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent}h1,h2,h3{margin:0 0 6px;font-weight:700;letter-spacing:-.025em;line-height:1.2}p{margin:0 0 8px}p:last-child{margin-bottom:0}.muted{color:var(--muted)}.small{font-size:.85rem}.center{text-align:center}.app-shell{display:flex;flex-direction:column;min-height:100%}.app-header{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;position:sticky;top:0;background:var(--surface-glass);backdrop-filter:blur(24px) saturate(1.6);-webkit-backdrop-filter:blur(24px) saturate(1.6);border-bottom:1px solid var(--border);z-index:10}.brand{background:none;border:0;padding:0;color:var(--text);font-size:1.05rem;font-weight:700;letter-spacing:-.03em;display:flex;align-items:center;gap:8px}.brand-mark{border-radius:8px}.hero-logo{display:block;margin:0 auto 20px;border-radius:28px}.identity-chip{font-size:.75rem;color:var(--muted);background:var(--surface-2);border:1px solid var(--border);padding:4px 10px;border-radius:100px;font-weight:500}.app-main{flex:1;padding:24px 20px calc(88px + var(--safe-bottom));max-width:560px;width:100%;margin:0 auto}.app-nav{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:space-around;align-items:flex-end;background:var(--surface-glass);backdrop-filter:blur(24px) saturate(1.6);-webkit-backdrop-filter:blur(24px) saturate(1.6);border-top:1px solid var(--border);padding:8px 4px calc(8px + var(--safe-bottom));z-index:10}.nav-item{display:flex;flex-direction:column;align-items:center;gap:3px;color:var(--muted);text-decoration:none;font-size:.66rem;font-weight:500;letter-spacing:.01em;padding:6px 10px;border-radius:14px;transition:color .18s var(--ease);min-width:52px}.nav-item.active{color:var(--accent)}.nav-icon{display:flex;align-items:center;justify-content:center;width:24px;height:24px}.nav-icon svg{width:22px;height:22px}.screen{max-width:560px;margin:0 auto}.screen-title{font-size:1.65rem;font-weight:700;letter-spacing:-.035em;margin-bottom:20px}.screen-body{display:flex;flex-direction:column;gap:12px}.screen-footer{margin-top:20px}.stack{display:flex;flex-direction:column;gap:10px}.row{display:flex;gap:8px;align-items:center}.control-row{display:flex;gap:8px;flex-wrap:wrap}.control-row .btn{flex:1}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow-xs)}.btn{border:0;border-radius:var(--radius-sm);padding:14px 20px;font-size:.95rem;font-weight:600;letter-spacing:-.01em;color:var(--text);transition:transform .15s var(--spring),filter .15s var(--ease),opacity .15s;-webkit-tap-highlight-color:transparent}.btn:active:not(:disabled){transform:scale(.975)}.btn-primary{background:var(--accent);color:var(--accent-fg);box-shadow:var(--shadow-sm)}.btn-primary:hover:not(:disabled){filter:brightness(1.1)}.btn-secondary{background:var(--surface-2);color:var(--text)}.btn-secondary:hover:not(:disabled){filter:brightness(.97)}.btn-ghost{background:transparent;color:var(--text-2);border:1px solid var(--border)}.btn-danger{background:var(--danger);color:#fff}.btn-block{width:100%}.btn:disabled{opacity:.38;pointer-events:none}.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:var(--radius-sm)}.input{width:100%;padding:14px 16px;border-radius:var(--radius-sm);border:1.5px solid var(--border);background:var(--surface-2);color:var(--text);font-size:1rem;font-family:inherit;margin:8px 0;transition:border-color .18s,box-shadow .18s;outline:none;appearance:none}.input:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px var(--accent-soft)}.input::placeholder{color:var(--muted)}.code-input{letter-spacing:.35em;text-align:center;font-size:1.7rem;font-weight:700;text-transform:uppercase}.banner{border-radius:var(--radius-sm);padding:12px 16px;font-size:.875rem;line-height:1.5}.banner-info{background:var(--surface-2);color:var(--text-2);border:1px solid var(--border)}.banner-warn{background:#c2600a12;color:var(--warn);border:1px solid rgba(194,96,10,.14)}@media (prefers-color-scheme: dark){.banner-warn{background:#f59e0b17;color:var(--warn);border-color:#f59e0b26}}.banner-error{background:var(--danger-soft);color:var(--danger);border:1px solid rgba(225,29,72,.14)}.banner-link{color:inherit;font-weight:600;text-decoration:underline;text-underline-offset:2px}.banner-mock{border-radius:0;padding:7px 20px;font-size:.78rem;font-weight:500;text-align:center;background:#fbbf241a;color:#92400e;border-bottom:1px solid rgba(251,191,36,.18)}.connection-notice{position:fixed;top:0;left:0;right:0;z-index:1000;display:flex;align-items:center;justify-content:center;gap:12px;padding:8px 20px;font-size:.82rem;font-weight:500;text-align:center;background:var(--danger-soft);color:var(--danger);border-bottom:1px solid rgba(225,29,72,.18)}.connection-notice .banner-link{background:none;border:none;cursor:pointer;padding:0;font-size:inherit}.connection-notice .banner-link:disabled{opacity:.6;cursor:default}@media (prefers-color-scheme: dark){.banner-mock{background:#fbbf2414;color:#fbbf24;border-color:#fbbf2426}}.hero{text-align:center;padding:52px 0 36px}.hero h1{font-size:2.5rem;font-weight:800;letter-spacing:-.045em;margin-bottom:10px}.hero-sub{font-size:1.1rem;color:var(--text-2);font-weight:500;margin-bottom:6px}.hero-mark{font-size:3rem;display:block;margin-bottom:4px}.fine-print{color:var(--muted);font-size:.78rem;margin-top:16px;line-height:1.65}.tile-grid{display:flex;flex-direction:column;gap:8px}.tile{padding:0}.tile-btn{width:100%;background:none;border:0;color:var(--text);padding:16px 18px;display:flex;align-items:center;gap:14px;text-align:left;border-radius:calc(var(--radius) - 1px);transition:background .15s var(--ease)}.tile-btn:hover{background:#00000006}@media (prefers-color-scheme: dark){.tile-btn:hover{background:#ffffff08}}.tile-btn:active{background:var(--surface-2)}.tile-icon-wrap{width:44px;height:44px;flex:none;background:var(--accent-soft);border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.3rem;line-height:1}.tile-content{flex:1;min-width:0}.tile-title{font-weight:600;font-size:.95rem;display:block;line-height:1.3}.tile-desc{font-size:.78rem;color:var(--muted);display:block;margin-top:2px}.tile-arrow{color:var(--muted);font-size:1rem;font-weight:300;flex:none}.segmented{display:flex;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:3px;gap:2px;margin:8px 0}.seg{flex:1;background:none;border:0;color:var(--muted);padding:9px 10px;border-radius:11px;font-weight:500;font-size:.875rem;transition:background .18s var(--ease-out),color .18s var(--ease-out),box-shadow .18s}.seg.active{background:var(--surface);color:var(--text);box-shadow:var(--shadow-xs);font-weight:600}.toggle{display:flex;align-items:center;justify-content:space-between;padding:12px 0;gap:12px}.toggle input{position:absolute;opacity:0;width:0;height:0}.toggle-track{width:48px;height:28px;border-radius:14px;background:var(--surface-2);border:1.5px solid var(--border);position:relative;flex:none;cursor:pointer;transition:background .22s var(--ease-out),border-color .22s}.toggle-track:after{content:"";position:absolute;top:2px;left:2px;width:20px;height:20px;border-radius:50%;background:var(--muted);transition:transform .22s var(--spring),background .22s;box-shadow:0 1px 3px #00000026}.toggle-track.on{background:var(--accent);border-color:var(--accent)}.toggle-track.on:after{transform:translate(20px);background:#fff}.toggle:focus-within .toggle-track{box-shadow:0 0 0 3px var(--accent-soft)}.ptt-row{display:flex;gap:10px;margin:4px 0}.ptt{flex:1;min-height:156px;border-radius:24px;border:1.5px solid var(--border);background:var(--surface);color:var(--text);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;user-select:none;touch-action:none;box-shadow:var(--shadow-sm);transition:background .2s var(--ease-out),border-color .2s var(--ease-out),box-shadow .22s var(--ease-out),transform .15s var(--spring);position:relative}.ptt-mic{display:flex;color:var(--muted);opacity:.5;transition:opacity .2s,color .2s}.ptt-mic svg{width:28px;height:28px}.ptt-lang{font-size:1rem;font-weight:700;letter-spacing:-.02em}.ptt-hint{font-size:.7rem;color:var(--muted);transition:color .2s;font-weight:500}.ptt.holding{border-color:var(--accent);background:var(--accent-soft);box-shadow:var(--accent-glow);transform:scale(.972)}.ptt.holding .ptt-mic{opacity:1;color:var(--accent)}.ptt.holding .ptt-hint{color:var(--accent)}.ptt.holding:after{content:"";position:absolute;inset:-5px;border-radius:28px;border:1.5px solid var(--accent);opacity:0;animation:ptt-ring 1.8s ease-in-out infinite;pointer-events:none}@keyframes ptt-ring{0%{opacity:.55;transform:scale(.98)}55%{opacity:0;transform:scale(1.03)}to{opacity:.55;transform:scale(.98)}}.ptt:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.talk-stage{min-height:160px}.talk-state{display:flex;align-items:center;gap:8px;text-transform:capitalize;color:var(--muted);font-size:.78rem;font-weight:600;letter-spacing:.01em;margin-bottom:18px}.state-dot{width:7px;height:7px;border-radius:50%;background:var(--border);flex:none;transition:background .3s var(--ease)}.state-dot.listening{background:var(--color-listening);animation:dot-breathe 1.1s ease-in-out infinite}.state-dot.translating{background:var(--color-warning)}.state-dot.speaking{background:var(--color-speaking)}.state-dot.error{background:var(--danger)}@keyframes dot-breathe{0%,to{opacity:1}50%{opacity:.3}}.timer{font-variant-numeric:tabular-nums}.caption-label{font-size:.67rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-top:16px;margin-bottom:5px;font-weight:700}.caption-source{font-size:1rem;color:var(--text-2);line-height:1.5}.caption-target{font-size:1.5rem;font-weight:500;letter-spacing:-.025em;min-height:1.7em;line-height:1.3}.caption-placeholder{color:var(--muted);font-weight:400}mark.critical{background:#c2600a1a;color:var(--warn);border-radius:4px;padding:0 3px;border-bottom:2px solid currentColor}mark.critical-emergency{background:var(--danger-soft);color:var(--danger);border-bottom-color:currentColor}.kv{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:11px 0;border-bottom:1px solid var(--border)}.kv:last-child{border-bottom:0}.bullets{padding-left:18px;margin:8px 0}.bullets li{margin:7px 0;color:var(--text-2);line-height:1.55}.consent-quote{background:var(--surface-2);border-left:3px solid var(--accent);padding:12px 16px;border-radius:0 12px 12px 0;margin:12px 0;font-style:italic;color:var(--text-2);font-size:.95rem;line-height:1.65}.lang-switch,.links{display:flex;gap:8px}.lang-switch button{flex:1;background:var(--surface-2);border:1.5px solid var(--border);color:var(--muted);padding:9px;border-radius:10px;font-size:.9rem;font-weight:500;font-family:inherit;transition:all .15s}.lang-switch button.active{background:var(--accent-soft);color:var(--accent);border-color:#1677ff47;font-weight:600}.links{flex-direction:column;gap:0}.nav-row{display:flex;justify-content:space-between;align-items:center;background:none;border:0;border-bottom:1px solid var(--border);color:var(--text);padding:16px 0;width:100%;font-size:.95rem;font-weight:500;font-family:inherit}.nav-row.danger{color:var(--danger)}.nav-row:last-child{border-bottom:0}.qr{width:200px;height:200px;border-radius:16px;background:#fff;padding:8px}.join-code{font-size:2.1rem;letter-spacing:.3em;font-weight:700;margin:14px 0}.record-btn{width:112px;height:112px;border-radius:50%;border:1.5px solid var(--border);background:var(--surface-2);color:var(--text);font-size:.9rem;font-weight:700;font-family:inherit;box-shadow:var(--shadow-sm);transition:all .2s var(--spring)}.record-btn.on{background:var(--danger);border-color:var(--danger);color:#fff;animation:dot-breathe 1.2s ease-in-out infinite}.slider-row{display:flex;flex-direction:column;gap:8px;padding:12px 0}.slider-row input{width:100%;accent-color:var(--accent)}.device-list{list-style:none;padding:0}.device-list li{padding:10px 0;border-bottom:1px solid var(--border);font-size:.9rem;color:var(--text-2)}.device-list li:last-child{border-bottom:0}.stat{display:flex;flex-direction:column;padding:10px 0}.stat-value{font-size:2.1rem;font-weight:700;color:var(--accent);letter-spacing:-.045em;line-height:1}.stat-label{font-size:.78rem;color:var(--muted);margin-top:4px;font-weight:500}.beta-badge{background:var(--accent-soft);color:var(--accent);font-size:.58rem;font-weight:700;padding:2px 7px;border-radius:100px;margin-left:6px;vertical-align:middle;text-transform:uppercase;letter-spacing:.06em}.plan-popular{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.plan-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.plan-price{text-align:right;white-space:nowrap}.plan-price strong{font-size:1.15rem;display:block;font-weight:700;letter-spacing:-.025em}.plan-price .save{font-size:.72rem;color:var(--accent);font-weight:600}.active-speaker{background:var(--accent-soft);border-radius:12px;padding:6px 10px}.mini{background:var(--surface-2);color:var(--text-2);border:1px solid var(--border);border-radius:8px;padding:4px 9px;font-size:.72rem;font-weight:500;margin-left:4px;cursor:pointer;font-family:inherit}.mini.danger{background:var(--danger-soft);color:var(--danger);border-color:#e11d4824}.device-status{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:.875rem;color:var(--text-2)}.meter{height:3px;background:var(--surface-2);border-radius:3px;overflow:hidden;margin:14px 0 4px}.meter-fill{height:100%;background:linear-gradient(90deg,var(--color-brand-blue),var(--color-brand-blue-bright));transition:width .08s linear;border-radius:3px}.warn-text{color:var(--warn)}.spinner{display:flex;flex-direction:column;align-items:center;gap:14px;padding:52px;color:var(--muted)}.spinner-dot{width:24px;height:24px;border-radius:50%;border:2px solid var(--border);border-top-color:var(--accent);animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.lang-select-wrap{display:flex;flex-direction:column;gap:5px;margin:8px 0}.lang-select-label{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--muted)}.lang-select-inner{position:relative}.lang-select{width:100%;padding:13px 38px 13px 16px;border-radius:var(--radius-sm);border:1.5px solid var(--border);background:var(--surface-2);color:var(--text);font-size:.95rem;font-family:inherit;-webkit-appearance:none;appearance:none;outline:none;cursor:pointer;transition:border-color .18s,box-shadow .18s}.lang-select:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px var(--accent-soft)}.lang-select-inner:after{content:"";position:absolute;right:15px;top:50%;width:7px;height:7px;pointer-events:none;border-right:1.5px solid var(--muted);border-bottom:1.5px solid var(--muted);transform:translateY(-70%) rotate(45deg)}.share-panel{gap:16px!important}.share-code{font-size:2rem;letter-spacing:.35em;font-weight:700;color:var(--text);text-align:center}.share-actions{display:flex;gap:10px;width:100%}.share-actions .btn{flex:1}.guest-join-page{min-height:100vh;background:var(--bg);display:flex;flex-direction:column}.guest-join-header{display:flex;align-items:baseline;gap:10px;padding:16px 20px;border-bottom:1px solid var(--border)}.guest-join-brand{font-size:1.05rem;font-weight:700;letter-spacing:-.04em}.guest-join-tagline{font-size:.8rem;color:var(--muted)}.guest-join-body{flex:1;max-width:560px;width:100%;margin:0 auto;padding:24px 20px 48px;display:flex;flex-direction:column;gap:12px}