:root{--carbon-1000:#08090c;--carbon-950:#0b0c10;--carbon-900:#121214;--carbon-850:#16191e;--carbon-800:#1f242a;--carbon-700:#272d35;--carbon-600:#333a44;--steel-700:#4a5568;--steel-600:#5d6b80;--steel-500:#6f7e92;--steel-400:#8a99a8;--steel-300:#a6b3c0;--ghost-100:#e6edf3;--ghost-000:#f5f8fb;--ember-600:#e64a00;--ember-500:#ff5400;--ember-400:#ff6b2b;--jade-500:#35b587;--crimson-500:#f0475c;--alpha-ghost-04:#e6edf30a;--alpha-ghost-06:#e6edf30f;--alpha-ghost-10:#e6edf31a;--alpha-ember-05:#ff54000d;--alpha-ember-12:#ff54001f;--alpha-ember-35:#ff540059;--alpha-ember-40:#ff540066;--alpha-crimson-12:#f0475c1f;--alpha-jade-12:#35b5871f;--alpha-jade-36:#35b5875c;--surface-page:var(--carbon-950);--surface-sunken:var(--carbon-900);--surface-row:var(--carbon-850);--surface-card:var(--carbon-800);--surface-raised:var(--carbon-700);--surface-hover:var(--alpha-ghost-04);--text-primary:var(--ghost-100);--text-bright:var(--ghost-000);--text-secondary:var(--steel-400);--text-tertiary:var(--steel-600);--text-label:var(--steel-500);--text-on-accent:var(--carbon-1000);--border-hairline:var(--alpha-ghost-06);--border-subtle:var(--alpha-ghost-10);--border-default:#2a313a;--border-strong:var(--steel-700);--accent:var(--ember-500);--accent-hover:var(--ember-400);--accent-press:var(--ember-600);--danger:var(--crimson-500);--ok:var(--jade-500);--font-display:"Space Grotesk", "Helvetica Neue", Helvetica, sans-serif;--font-body:"Public Sans", "Helvetica Neue", Helvetica, sans-serif;--mono:"Space Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;--radius-tag:2px;--radius-control:3px;--radius-card:4px;--radius-panel:6px;--glow-ember:0 0 24px -4px #ff540073;--glow-ember-soft:0 0 56px -12px #ff54004d;--ring-focus:0 0 0 1px var(--carbon-950), 0 0 0 3px #ff54008c;--hairline-grid:linear-gradient(#e6edf309 1px, transparent 1px), linear-gradient(90deg, #e6edf309 1px, transparent 1px);--bloom-ember:radial-gradient(60% 60% at 50% 50%, #ff540038 0%, #ff54000f 45%, transparent 72%);--dur-instant:80ms;--dur-fast:.14s;--ease-standard:cubic-bezier(.2, 0, 0, 1);--press-scale:.985;--transition-control:background-color var(--dur-fast) var(--ease-standard), border-color var(--dur-fast) var(--ease-standard), color var(--dur-fast) var(--ease-standard), box-shadow var(--dur-fast) var(--ease-standard)}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}html,body,#root{height:100%}body{background:var(--surface-page);color:var(--text-primary);font-family:var(--font-body);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;font-size:16px;line-height:1.6}h1,h2{font-family:var(--font-display);letter-spacing:-.012em;color:var(--text-bright);margin:0;font-weight:500;line-height:1.25}h2{font-size:24px}p{margin:0}a:focus-visible,button:focus-visible,input:focus-visible,[tabindex]:focus-visible{box-shadow:var(--ring-focus);outline:none}::selection{background:var(--alpha-ember-40);color:var(--ghost-000)}.page{width:100%;max-width:520px;min-height:100%;padding:max(20px, env(safe-area-inset-top)) 20px max(20px, env(safe-area-inset-bottom));flex-direction:column;margin:0 auto;display:flex}.page.conv{height:100%}.center-page{text-align:center;min-height:100%;padding:max(28px, env(safe-area-inset-top)) 28px max(28px, env(safe-area-inset-bottom));flex-direction:column;justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.center-page.gridded{background-image:var(--hairline-grid);background-size:32px 32px}.bloom{background:var(--bloom-ember);pointer-events:none;width:420px;height:420px;position:absolute;top:120px;left:50%;transform:translate(-50%)}.auth-stack{flex-direction:column;align-items:center;gap:16px;width:100%;max-width:360px;display:flex;position:relative}.auth-stack.narrow{max-width:320px}.page-header{border-bottom:1px solid var(--border-hairline);justify-content:space-between;align-items:center;padding:8px 0 20px;display:flex}.page-header.lead{justify-content:flex-start;gap:8px}.page-header.tight{padding-bottom:16px}.header-actions{align-items:center;gap:4px;display:flex}.page-title{font-size:21px}.conv-title{flex-direction:column;gap:2px;display:flex}.conv-name{font-size:18px;line-height:1.25}.brand-mark{background:var(--surface-sunken);border:1px solid var(--border-subtle);border-radius:var(--radius-panel);width:64px;height:64px;color:var(--accent);box-shadow:var(--glow-ember-soft);place-items:center;display:grid}.brand-mark.flat{box-shadow:none}.brand-block{flex-direction:column;gap:8px;margin-top:8px;display:flex}.brand-block.tight{gap:3px;margin-top:0}.wordmark{font-family:var(--font-display);letter-spacing:.16em;color:var(--ghost-000);margin:0;font-size:24px;font-weight:600;line-height:1.25}.wordmark.sm{font-size:15px}.byline{font-family:var(--mono);letter-spacing:.18em;color:var(--text-label);font-size:11px;line-height:1}.byline .lead{color:var(--steel-300)}.byline.quiet,.byline.quiet .lead{color:var(--steel-600)}.tagline{color:var(--text-secondary);font-size:15px;font-weight:300}.lede{color:var(--text-secondary);font-size:15px}.mono-label{font-family:var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--text-secondary);font-size:11px;line-height:1}.mono-label.steel{color:var(--text-label)}.mono-label.tertiary{color:var(--text-tertiary)}.section-label{font-family:var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--text-secondary);align-items:center;gap:8px;margin:0;padding:24px 0 14px;font-size:11px;line-height:1;display:flex}.section-label:before{content:"";background:var(--accent);flex:none;width:6px;height:6px}.section-label .tick{color:var(--accent)}.panel{background:var(--surface-card);border:1px solid var(--border-hairline);border-radius:var(--radius-panel);text-align:left;flex-direction:column;gap:16px;width:100%;padding:20px;display:flex}.mt-8{margin-top:8px}.mt-12{margin-top:12px}.mt-16{margin-top:16px}.mt-20{margin-top:20px}.mt-24{margin-top:24px}.field{flex-direction:column;gap:8px;min-width:0;display:flex}.steps{flex-direction:column;gap:14px;margin:0;padding:0;list-style:none;display:flex}.steps li{color:var(--text-secondary);align-items:flex-start;gap:12px;font-size:14px;line-height:1.5;display:flex}.step-n{font-family:var(--mono);letter-spacing:.14em;color:var(--accent);flex-shrink:0;padding-top:2px;font-size:11px}.steps .glyph{vertical-align:-3px;color:var(--text-primary);margin:0 2px;display:inline}.panel.setup{gap:12px}.setup-head{align-items:center;gap:10px;display:flex}.setup-icon{color:var(--accent);flex-shrink:0}.setup-title{color:var(--text-primary);font-size:16px;font-weight:500}.field-hint{color:var(--text-tertiary);font-size:12px}.input{background:var(--surface-sunken);border:1px solid var(--border-hairline);border-radius:var(--radius-control);width:100%;height:44px;color:var(--text-primary);font-family:var(--font-body);transition:var(--transition-control);outline:none;padding:0 14px;font-size:16px;line-height:1}.input.code{font-family:var(--mono);letter-spacing:.3em;text-align:center;text-transform:uppercase;text-indent:.3em;font-variant-numeric:tabular-nums;height:56px;font-size:24px}.input::placeholder{color:var(--text-tertiary)}.input.code::placeholder{color:var(--carbon-600);letter-spacing:.3em}.input:hover{border-color:var(--border-strong)}.input:focus{border-color:var(--accent);box-shadow:var(--ring-focus)}.btn{border-radius:var(--radius-control);height:44px;font-family:var(--font-display);letter-spacing:.005em;white-space:nowrap;cursor:pointer;transition:var(--transition-control), transform var(--dur-instant) var(--ease-standard);border:1px solid #0000;justify-content:center;align-items:center;gap:10px;padding:0 20px;font-size:16px;font-weight:500;line-height:1;display:inline-flex}.btn.full{width:100%;display:flex}.btn.primary{background:var(--accent);color:var(--text-on-accent)}.btn.primary:hover:not(:disabled){background:var(--accent-hover);box-shadow:var(--glow-ember)}.btn.primary:active:not(:disabled){background:var(--accent-press);transform:scale(var(--press-scale))}.btn.ghost{height:36px;color:var(--text-secondary);background:0 0;gap:8px;padding:0 14px;font-size:14px}.btn.ghost:hover:not(:disabled){background:var(--surface-hover);color:var(--text-primary)}.btn.ghost:active:not(:disabled){transform:scale(var(--press-scale))}.btn:disabled{opacity:.42;cursor:not-allowed}.icon-btn{border-radius:var(--radius-control);width:44px;height:44px;color:var(--text-secondary);cursor:pointer;transition:var(--transition-control);background:0 0;border:1px solid #0000;place-items:center;padding:0;display:grid}.icon-btn:hover:not(:disabled){background:var(--surface-hover);color:var(--text-primary)}.icon-btn.sm{width:36px;height:36px}.icon-btn.lead{margin-left:-12px}.list{flex-direction:column;gap:8px;display:flex}.row{background:var(--surface-row);border:1px solid var(--border-hairline);border-radius:var(--radius-card);width:100%;min-height:56px;transition:var(--transition-control);justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;display:flex}.row.clickable{cursor:pointer;text-align:left;font:inherit;color:inherit}.row.clickable:hover{background:var(--carbon-800)}.row.pinned{border:1px dashed var(--border-default)}.row.unread{border-left:2px solid var(--accent);background-image:linear-gradient(var(--alpha-ember-05), var(--alpha-ember-05))}.row.dim .row-main{opacity:.42}.row-main{flex-direction:column;gap:3px;min-width:0;display:flex}.row-title{color:var(--text-primary);font-size:16px;font-weight:500}.row-sub{font-family:var(--mono);letter-spacing:.04em;text-transform:uppercase;color:var(--text-tertiary);white-space:nowrap;text-overflow:ellipsis;font-size:11px;line-height:1.4;overflow:hidden}.row-actions{flex-shrink:0;align-items:center;gap:8px;display:flex}.row-chevron{color:var(--steel-600);flex-shrink:0}.badge{border-radius:var(--radius-tag);height:20px;font-family:var(--mono);letter-spacing:.04em;text-transform:uppercase;white-space:nowrap;border:1px solid #0000;flex-shrink:0;align-items:center;gap:6px;padding:0 7px;font-size:11px;line-height:1;display:inline-flex}.badge.accent{color:var(--ember-400);background:var(--alpha-ember-12);border-color:var(--alpha-ember-40)}.badge.success{color:var(--jade-500);background:var(--alpha-jade-12);border-color:var(--alpha-jade-36)}.badge.neutral{color:var(--text-secondary);background:var(--alpha-ghost-06);border-color:var(--border-subtle)}.badge-dot{background:currentColor;border-radius:999px;width:5px;height:5px}.badge-new{border-radius:var(--radius-tag);background:var(--alpha-ember-12);color:var(--ember-400);font-family:var(--mono);letter-spacing:.04em;flex-shrink:0;padding:3px 8px;font-size:11px;line-height:1.4}.msg-list{flex-direction:column;flex:1;gap:16px;min-height:0;padding:16px 0;display:flex;overflow-y:auto}.msg-row{flex-direction:column;align-items:flex-start;gap:6px;display:flex}.msg-row.mine{align-items:flex-end}.msg-meta{font-family:var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--text-label);padding:0 2px;font-size:11px;line-height:1}.msg-card{background:var(--surface-row);border:1px solid var(--border-hairline);border-radius:var(--radius-card);width:82%;transition:var(--transition-control);align-items:center;gap:12px;padding:12px;display:flex}.msg-card.playing{border-color:var(--alpha-ember-35)}.msg-card.expired{background:var(--surface-sunken);gap:10px}.msg-row.mine .msg-card{border-left:2px solid var(--accent)}.msg-row.mine .msg-card.expired{border-left:1px solid var(--border-hairline)}.play-btn{background:var(--surface-raised);border-radius:var(--radius-control);width:40px;height:40px;color:var(--ghost-100);cursor:pointer;transition:var(--transition-control);border:none;flex-shrink:0;place-items:center;padding:0;display:grid}.play-btn:hover{background:var(--carbon-600)}.play-btn.playing,.play-btn.playing:hover{background:var(--alpha-ember-12);color:var(--accent)}.progress{background:var(--surface-raised);border-radius:var(--radius-tag);cursor:pointer;flex:1;min-width:60px;height:4px}.progress-fill{background:var(--accent);border-radius:var(--radius-tag);height:100%}.progress.playing .progress-fill{box-shadow:0 0 8px #ff540080}.dur{font-family:var(--mono);letter-spacing:.04em;color:var(--steel-400);font-variant-numeric:tabular-nums;flex-shrink:0;font-size:12px}.dur.playing{color:var(--ember-400)}.dur.expired{color:var(--steel-600)}.expired-icon{color:var(--steel-600);flex-shrink:0}.expired-text{color:var(--text-tertiary);flex:1;font-size:13px}.msg-empty{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:10px;display:flex}.msg-empty .msg-empty-body{max-width:240px;color:var(--text-secondary);font-size:14px}.ptt-wrap{border-top:1px solid var(--border-hairline);text-align:center;flex-direction:column;align-items:center;gap:12px;padding:20px 0 0;display:flex}.ptt-key{background:var(--surface-card);border:1px solid var(--border-default);border-radius:var(--radius-panel);width:88px;height:88px;color:var(--text-secondary);cursor:pointer;touch-action:none;-webkit-user-select:none;user-select:none;transition:var(--transition-control), transform var(--dur-instant) var(--ease-standard);flex-direction:column;justify-content:center;align-items:center;gap:6px;padding:0;display:flex}.ptt-key:hover:not(:disabled){border-color:var(--border-strong)}.ptt-key.recording{border-color:var(--accent);box-shadow:var(--glow-ember);color:var(--accent);transform:scale(var(--press-scale))}.ptt-key.canceling{border-color:var(--danger);color:var(--danger);transform:scale(var(--press-scale))}.ptt-key:disabled,.ptt-key.denied{opacity:.42;cursor:not-allowed}.ptt-time{font-family:var(--mono);letter-spacing:.04em;color:var(--text-primary);font-variant-numeric:tabular-nums;font-size:12px;line-height:1}.ptt-hint{color:var(--text-tertiary);font-size:12px}.ptt-hint.stacked{margin-top:-6px}.onair{border-radius:var(--radius-tag);background:var(--alpha-ember-12);color:var(--accent);font-family:var(--mono);letter-spacing:.14em;font-variant-numeric:tabular-nums;align-items:center;gap:8px;padding:6px 12px;font-size:12px;line-height:1;display:inline-flex}.onair.alarm{background:var(--alpha-crimson-12);color:var(--danger)}.onair-dot{background:currentColor;border-radius:999px;width:6px;height:6px;animation:2s infinite fbf-pulse}@keyframes fbf-pulse{50%{opacity:.35}}.ptt-denied{color:var(--danger);align-items:center;gap:8px;font-size:13px;display:flex}.muted{color:var(--text-secondary)}.small{font-size:13px}.center{text-align:center}.helper{color:var(--text-tertiary);font-size:13px}.error{color:var(--danger);margin:0;font-size:13px}.ok{color:var(--ok);margin:0;font-size:13px}.pad{padding:12px 0}.spinner{border:3px solid var(--surface-raised);border-top-color:var(--accent);border-radius:50%;width:32px;height:32px;animation:.9s linear infinite fbf-spin}@keyframes fbf-spin{to{transform:rotate(360deg)}}