:root{color-scheme:light dark;--bg: #f2f2f7;--bg-elevated: #ffffff;--bg-sunken: #e4e4ec;--text: #1c1c1e;--text-secondary: #62626c;--text-tertiary: #8e8e94;--separator: rgb(60 60 67 / .16);--separator-strong: rgb(60 60 67 / .28);--accent: #0a68d8;--accent-text: #ffffff;--danger: #c9291f;--success: #1c7a3e;--warning: #9a6212;--field-bg: #ffffff;--stage-bg: #0b0b0d;--radius-s: 8px;--radius-m: 12px;--radius-l: 18px;--shadow-card: 0 1px 2px rgb(0 0 0 / .06), 0 8px 28px rgb(0 0 0 / .08);--font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", sans-serif;--font-numeric: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;--duration: .22s;--ease: cubic-bezier(.32, .72, 0, 1)}@media(prefers-color-scheme:dark){:root{--bg: #000000;--bg-elevated: #1c1c1e;--bg-sunken: #2c2c2e;--text: #f5f5f7;--text-secondary: #a1a1a8;--text-tertiary: #75757c;--separator: rgb(235 235 245 / .18);--separator-strong: rgb(235 235 245 / .32);--accent: #4e9cf6;--accent-text: #06121f;--danger: #ff6961;--success: #47d16c;--warning: #f0b429;--field-bg: #1c1c1e;--stage-bg: #000000;--shadow-card: 0 1px 2px rgb(0 0 0 / .5), 0 12px 32px rgb(0 0 0 / .6)}}@media(prefers-contrast:more){:root{--separator: rgb(60 60 67 / .5);--text-secondary: #3a3a40}}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}[hidden]{display:none!important}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:var(--radius-s)}.view-join{display:grid;place-items:center;min-height:100%;padding:max(24px,env(safe-area-inset-top)) 20px max(24px,env(safe-area-inset-bottom))}.join-card{width:min(100%,460px);background:var(--bg-elevated);border-radius:var(--radius-l);box-shadow:var(--shadow-card);padding:32px 28px 24px}.join-header{margin-bottom:28px}.app-title{margin:0;font-size:34px;font-weight:700;letter-spacing:-.02em}.app-tagline{margin:4px 0 0;color:var(--text-secondary);font-size:15px}.form{display:grid;gap:22px}.field{display:grid;gap:6px;margin:0;padding:0;border:0;min-width:0}.field-label{font-size:14px;font-weight:600;color:var(--text);padding:0}.field-hint{margin:0;font-size:13px;color:var(--text-secondary)}.text-input{font:inherit;color:var(--text);background:var(--field-bg);border:1px solid var(--separator-strong);border-radius:var(--radius-m);padding:11px 13px;width:100%;transition:border-color var(--duration) var(--ease)}.text-input:focus{border-color:var(--accent)}.text-input[aria-invalid=true]{border-color:var(--danger)}.segmented{display:grid;grid-template-columns:1fr 1fr;gap:8px}.segment{position:relative;display:block;cursor:pointer}.segment input{position:absolute;opacity:0;width:1px;height:1px}.segment-body{display:grid;gap:2px;padding:12px;border:1px solid var(--separator-strong);border-radius:var(--radius-m);background:var(--bg-elevated);transition:border-color var(--duration) var(--ease),background-color var(--duration) var(--ease)}.segment input:checked+.segment-body{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 12%,var(--bg-elevated))}.segment input:checked+.segment-body .segment-title{font-weight:700}.segment input:focus-visible+.segment-body{outline:2px solid var(--accent);outline-offset:2px}.segment-title{font-size:15px;font-weight:500}.segment-detail{font-size:12px;color:var(--text-secondary)}.button{font:inherit;font-weight:600;border:1px solid transparent;border-radius:var(--radius-m);padding:12px 18px;cursor:pointer;min-height:44px;transition:opacity var(--duration) var(--ease),background-color var(--duration) var(--ease)}.button:disabled{opacity:.45;cursor:default}.button-primary{background:var(--accent);color:var(--accent-text)}.button-quiet{background:transparent;color:var(--accent);border-color:var(--separator-strong)}.button-destructive{background:transparent;color:var(--danger);border-color:color-mix(in srgb,var(--danger) 45%,transparent)}.inline-error{margin:0;padding:10px 12px;border-radius:var(--radius-m);background:color-mix(in srgb,var(--danger) 12%,var(--bg-elevated));border:1px solid color-mix(in srgb,var(--danger) 35%,transparent);color:var(--danger);font-size:14px}.join-footnote{margin:20px 0 0;font-size:13px;color:var(--text-tertiary);text-align:center}.view-room{display:grid;grid-template-rows:auto auto 1fr auto;height:100%}.room-bar{grid-row:1;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 16px;padding-top:max(10px,env(safe-area-inset-top));border-bottom:1px solid var(--separator);background:var(--bg-elevated)}.room-name{margin:0;font-size:17px;font-weight:600}.room-meta{margin:0;display:flex;align-items:center;gap:6px;font-size:13px;color:var(--text-secondary)}.banner{grid-row:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 16px;padding:10px 16px;background:color-mix(in srgb,var(--accent) 12%,var(--bg-elevated));border-bottom:1px solid color-mix(in srgb,var(--accent) 35%,transparent);align-self:start}.banner-text{margin:0;font-size:13px;color:var(--text);flex:1 1 260px}.banner-actions{display:flex;gap:8px;flex:none}.indicator{width:8px;height:8px;border-radius:50%;background:var(--text-tertiary);flex:none}.indicator[data-state=connecting]{background:var(--warning)}.indicator[data-state=connected]{background:var(--success)}.indicator[data-state=error],.indicator[data-state=offline]{background:var(--danger)}.stage{grid-row:3;position:relative;display:grid;place-items:center;background:var(--stage-bg);min-height:0;overflow:hidden}.stage-video{width:100%;height:100%;object-fit:contain;background:var(--stage-bg)}.stage-status{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;align-content:center;justify-items:center;gap:8px;padding:24px;text-align:center;color:#f5f5f7;pointer-events:none}.stage-status>*{pointer-events:auto}.stage-status-title{margin:0;font-size:19px;font-weight:600}.stage-status-body{margin:0;max-width:46ch;font-size:14px;color:#b8b8c0}.stage-status-actions{display:flex;gap:10px;margin-top:8px;flex-wrap:wrap;justify-content:center}.stage-status .button-quiet{color:#f5f5f7;border-color:#ffffff59}.floating-action{position:absolute;bottom:16px;font:inherit;font-weight:600;padding:10px 16px;min-height:44px;border-radius:999px;border:0;background:#ffffffeb;color:#1c1c1e;cursor:pointer}.floating-action-right{right:16px}.floating-action-left{left:16px}.controls{grid-row:4;display:grid;gap:16px;padding:14px 16px;padding-bottom:max(14px,env(safe-area-inset-bottom));border-top:1px solid var(--separator);background:var(--bg-elevated)}.controls-group{display:grid;gap:16px;grid-template-columns:minmax(240px,1fr) minmax(200px,1fr) auto;align-items:end}.control-block{display:grid;gap:6px;margin:0;padding:0;border:0;min-width:0}.control-block-actions{align-self:center}.control-legend{font-size:13px;font-weight:600;padding:0;display:flex;gap:8px;align-items:baseline}.control-legend output{font-family:var(--font-numeric);font-weight:500;color:var(--text-secondary);font-variant-numeric:tabular-nums}.slider{width:100%;accent-color:var(--accent);min-height:28px}.segmented-compact .segment-body{padding:8px 10px}.stats{display:flex;flex-wrap:wrap;gap:8px 22px;margin:0;padding-top:12px;border-top:1px solid var(--separator)}.stats-overlay{position:absolute;left:12px;top:12px;padding:8px 12px;border-top:none;background:#0000008c;border-radius:var(--radius-m);color:#f5f5f7;gap:4px 16px;max-width:calc(100% - 24px)}.stats-overlay .stat dt{color:#b8b8c0}.stat{display:flex;gap:6px;align-items:baseline;font-size:13px}.stat dt{color:var(--text-secondary)}.stat dd{margin:0;font-family:var(--font-numeric);font-variant-numeric:tabular-nums}@media(max-width:720px){.controls-group{grid-template-columns:1fr;align-items:stretch}.join-card{padding:24px 20px 20px}.segmented{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}