:root{--font: "Inter", "SF Pro Text", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;--bg-0: #eef2f7;--bg-1: #dfe7f1;--glow-a: rgba(56, 132, 255, .28);--glow-b: rgba(20, 184, 166, .22);--glow-c: rgba(244, 114, 182, .16);--text: #0f172a;--text-2: #334155;--text-3: #4f5f77;--glass: rgba(255, 255, 255, .66);--glass-strong: rgba(255, 255, 255, .86);--glass-border: rgba(255, 255, 255, .75);--glass-edge: rgba(15, 23, 42, .08);--field: rgba(255, 255, 255, .8);--field-border: rgba(15, 23, 42, .18);--primary: #1d4ed8;--primary-hover: #1e40af;--primary-text: #f8fafc;--primary-soft: rgba(29, 78, 216, .1);--primary-line: rgba(29, 78, 216, .45);--accent: #0d9488;--success: #166534;--success-soft: rgba(22, 101, 52, .14);--warning: #92400e;--warning-soft: rgba(146, 64, 14, .14);--danger: #991b1b;--danger-soft: rgba(185, 28, 28, .12);--info: #1d4ed8;--info-soft: rgba(29, 78, 216, .12);--wave-played: #1d4ed8;--wave-rest: #9aa9be;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);--shadow-md: 0 8px 24px rgba(15, 23, 42, .1);--shadow-lg: 0 20px 48px rgba(15, 23, 42, .16);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--radius-full: 9999px;--focus: #2563eb;--ease: cubic-bezier(.2, .8, .2, 1);--dur: .18s;--blur: 10px;--header-h: 60px;color-scheme:light dark}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg-0: #0b1220;--bg-1: #0f172a;--glow-a: rgba(59, 130, 246, .22);--glow-b: rgba(45, 212, 191, .14);--glow-c: rgba(236, 72, 153, .12);--text: #f1f5f9;--text-2: #cbd5e1;--text-3: #9fb0c6;--glass: rgba(30, 41, 59, .6);--glass-strong: rgba(30, 41, 59, .86);--glass-border: rgba(148, 163, 184, .22);--glass-edge: rgba(0, 0, 0, .35);--field: rgba(15, 23, 42, .6);--field-border: rgba(148, 163, 184, .35);--primary: #60a5fa;--primary-hover: #93c5fd;--primary-text: #0b1220;--primary-soft: rgba(96, 165, 250, .16);--primary-line: rgba(96, 165, 250, .55);--accent: #2dd4bf;--success: #4ade80;--success-soft: rgba(74, 222, 128, .16);--warning: #fbbf24;--warning-soft: rgba(251, 191, 36, .16);--danger: #f87171;--danger-soft: rgba(248, 113, 113, .16);--info: #93c5fd;--info-soft: rgba(147, 197, 253, .16);--wave-played: #60a5fa;--wave-rest: #475569;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 8px 24px rgba(0, 0, 0, .35);--shadow-lg: 0 20px 48px rgba(0, 0, 0, .45);--focus: #93c5fd;color-scheme:dark}}:root[data-theme=dark]{--bg-0: #0b1220;--bg-1: #0f172a;--glow-a: rgba(59, 130, 246, .22);--glow-b: rgba(45, 212, 191, .14);--glow-c: rgba(236, 72, 153, .12);--text: #f1f5f9;--text-2: #cbd5e1;--text-3: #9fb0c6;--glass: rgba(30, 41, 59, .6);--glass-strong: rgba(30, 41, 59, .86);--glass-border: rgba(148, 163, 184, .22);--glass-edge: rgba(0, 0, 0, .35);--field: rgba(15, 23, 42, .6);--field-border: rgba(148, 163, 184, .35);--primary: #60a5fa;--primary-hover: #93c5fd;--primary-text: #0b1220;--primary-soft: rgba(96, 165, 250, .16);--primary-line: rgba(96, 165, 250, .55);--accent: #2dd4bf;--success: #4ade80;--success-soft: rgba(74, 222, 128, .16);--warning: #fbbf24;--warning-soft: rgba(251, 191, 36, .16);--danger: #f87171;--danger-soft: rgba(248, 113, 113, .16);--info: #93c5fd;--info-soft: rgba(147, 197, 253, .16);--wave-played: #60a5fa;--wave-rest: #475569;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 8px 24px rgba(0, 0, 0, .35);--shadow-lg: 0 20px 48px rgba(0, 0, 0, .45);--focus: #93c5fd;color-scheme:dark}:root[data-theme=light]{color-scheme:light}*{box-sizing:border-box}html{font-size:100%;scroll-padding-top:calc(var(--header-h) + 16px)}body{margin:0;font-family:var(--font);font-size:1rem;line-height:1.55;color:var(--text);background:var(--bg-0);-webkit-text-size-adjust:100%;-webkit-font-smoothing:antialiased;min-height:100dvh}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;z-index:-1;background:radial-gradient(38rem 26rem at 8% 0%,var(--glow-a),transparent 65%),radial-gradient(34rem 26rem at 100% 20%,var(--glow-b),transparent 60%),radial-gradient(30rem 24rem at 50% 110%,var(--glow-c),transparent 60%),linear-gradient(160deg,var(--bg-1),var(--bg-0))}:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:var(--radius-sm)}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}.shell{width:min(100% - 32px,880px);margin:0 auto;padding-block:16px 64px}.shell.narrow{width:min(100% - 32px,460px);padding-top:clamp(32px,10vh,96px)}.skip{position:absolute;left:-999px;top:8px;display:inline-flex;align-items:center;min-height:44px;background:var(--primary);color:var(--primary-text);padding:8px 16px;border-radius:var(--radius-sm);z-index:100}.skip:focus{left:16px}.glass{background:var(--glass);-webkit-backdrop-filter:blur(var(--blur)) saturate(150%);backdrop-filter:blur(var(--blur)) saturate(150%);border:1px solid var(--glass-border);box-shadow:var(--shadow-md),inset 0 1px #ffffff59;border-radius:var(--radius-lg)}@media(prefers-reduced-transparency:reduce){.glass{background:var(--glass-strong);-webkit-backdrop-filter:none;backdrop-filter:none}}.topbar{position:sticky;top:8px;z-index:10;display:flex;align-items:center;gap:8px;min-height:var(--header-h);padding:6px 8px 6px 14px;margin-bottom:16px;border-radius:var(--radius-full);flex-wrap:nowrap}.brand{display:inline-flex;align-items:center;gap:8px;font-weight:700;letter-spacing:-.01em;color:var(--text);text-decoration:none;margin-right:auto;min-height:44px;white-space:nowrap}.brand .logo{width:28px;height:28px;flex:none;border-radius:8px;background:linear-gradient(135deg,var(--primary),var(--accent));display:grid;place-items:center;color:#fff;box-shadow:var(--shadow-sm)}.who{color:var(--text-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:200px}.invite-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.switches{display:inline-flex;gap:4px}h1{font-size:clamp(1.6rem,2.5vw,2rem);line-height:1.2;letter-spacing:-.02em;margin:8px 0 16px}h2{font-size:1.25rem;line-height:1.3;margin:24px 0 12px}h3{font-size:1.05rem;margin:0 0 8px}p{margin:0 0 12px;max-width:65ch}.lead{color:var(--text-2);font-size:1.05rem}.muted{color:var(--text-3)}.center{text-align:center;margin-top:64px}.grow{flex:1 1 auto;min-width:0}.mono{font-family:var(--mono);font-size:1rem;overflow-wrap:anywhere;margin:8px 0;line-height:1.5}.pill{display:inline-flex;align-items:center;gap:6px;border-radius:var(--radius-full);padding:6px 12px;font-size:.95rem;font-weight:600;border:1px solid transparent;min-height:32px;white-space:nowrap}.pill.ok{color:var(--success);background:var(--success-soft)}.pill.warn{color:var(--warning);background:var(--warning-soft)}.pill.info{color:var(--info);background:var(--info-soft)}.banner{display:flex;gap:12px;align-items:center;flex-wrap:wrap;padding:12px 16px;border-radius:var(--radius-md);margin:0 0 16px;border:1px solid transparent}.banner.info{background:var(--info-soft);color:var(--text)}.banner.warn{background:var(--warning-soft)}.banner.error{background:var(--danger-soft)}.banner .ico{flex:none}.banner.install .ico{color:var(--primary)}.error{color:var(--danger)}.field-error{display:inline-flex;gap:6px;align-items:center;color:var(--danger);font-weight:600;margin-top:6px}button,.btn{font:inherit;font-weight:600;border-radius:var(--radius-md);border:1px solid var(--field-border);background:var(--glass-strong);color:var(--text);padding:10px 16px;cursor:pointer;min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap;transition:transform var(--dur) var(--ease),background var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}button:hover:not(:disabled){box-shadow:var(--shadow-sm);transform:translateY(-1px)}button:active:not(:disabled){transform:translateY(0)}button:disabled{opacity:.55;cursor:not-allowed}a.btn{text-decoration:none}button.primary,.btn.primary{background:var(--primary);color:var(--primary-text);border-color:transparent;box-shadow:0 6px 18px #1d4ed847}button.primary:hover:not(:disabled),.btn.primary:hover{background:var(--primary-hover)}button.danger{background:var(--danger);color:#fff;border-color:transparent}button.ghost{background:transparent;border-color:transparent;color:var(--primary)}button.ghost:hover:not(:disabled),button.ghost[aria-expanded=true]{background:var(--primary-soft);color:var(--primary-hover);box-shadow:none}button.icon{width:44px;padding:0}button.toggle[aria-pressed=true],button.toggle.on{background:var(--primary-soft);border-color:var(--primary);color:var(--primary)}button.lang{padding-inline:10px;letter-spacing:.04em}.spinner{width:18px;height:18px;border-radius:50%;border:2px solid currentColor;border-right-color:transparent;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.field{display:block;margin:16px 0}.field>span,.field>label{display:block;font-size:1rem;font-weight:600;color:var(--text-2);margin-bottom:6px}.field .hint{display:block;font-size:1rem;font-weight:400;color:var(--text-3);margin-top:6px}.inline-field{display:inline-flex;gap:8px;align-items:center}.inline-field select{width:auto}input,textarea,select{font:inherit;width:100%;min-height:44px;padding:10px 14px;border:1px solid var(--field-border);border-radius:var(--radius-md);background:var(--field);color:var(--text);transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--focus);box-shadow:0 0 0 3px var(--primary-soft)}textarea[aria-invalid=true]{border-color:var(--danger)}textarea{font-size:1.2rem;line-height:1.6;resize:vertical;min-height:108px}.check{display:inline-flex;gap:8px;align-items:center;min-height:44px;cursor:pointer}.check input{width:22px;height:22px;min-height:0;accent-color:var(--primary)}.charbar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}.charbar .key{min-width:48px;padding-inline:12px;font-size:1.25rem;font-weight:500;border-radius:var(--radius-sm)}.cards{list-style:none;padding:0;margin:0;display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}.card{padding:20px;cursor:pointer;transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);display:flex;flex-direction:column;gap:8px}.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.card h2{margin:0;font-size:1.15rem}.card .cta{margin-top:8px;align-self:flex-start}.progress{height:10px;border-radius:var(--radius-full);background:var(--glass-edge);overflow:hidden}.progress>div{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:var(--radius-full);transition:width .3s var(--ease)}.sync-line{display:inline-flex;align-items:center;gap:4px;flex-wrap:wrap}.sync-line button{padding:4px 10px}.check-card{display:flex;gap:16px;align-items:flex-start}.check-card h2{margin:0 0 4px}.check-icon{flex:none;width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:var(--primary-soft);color:var(--primary)}.skeleton,.skeleton.line,.skeleton.block{background:linear-gradient(90deg,var(--glass-edge),rgba(255,255,255,.35),var(--glass-edge));background-size:200% 100%;animation:shimmer 1.4s linear infinite;border-radius:var(--radius-sm)}.skeleton.line{height:16px;margin:12px 0}.skeleton.block{margin:12px 0}.skeleton-card{min-height:180px}@keyframes shimmer{to{background-position:-200% 0}}.pack-head{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;padding:12px 16px;margin-bottom:12px}.pack-head .grow{flex:1 1 160px;min-width:140px}.stepper{display:flex;align-items:center;gap:4px;padding:6px 8px;margin-bottom:12px}.stepper-title{flex:1 1 auto;text-align:center;font-weight:700;font-size:1.1rem}.clip-nav{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 12px;padding:12px}.clip-nav .legend{width:100%;display:flex;flex-wrap:wrap;gap:8px 16px;font-size:1rem;color:var(--text-3);margin-top:4px}.dot{min-width:44px;min-height:44px;padding:0 8px;font-size:.95rem;border-radius:var(--radius-md);position:relative}.dot.current{outline:3px solid var(--focus);outline-offset:1px}.dot.confirmed,.dot.corrected,.st-done{background:var(--success-soft);color:var(--success);border-color:transparent}.dot.unusable,.st-unusable{background:var(--danger-soft);color:var(--danger);border-color:transparent}.dot.skipped,.st-skipped{background:var(--warning-soft);color:var(--warning);border-color:transparent}.dot.unsaved{border-color:var(--primary);border-style:dashed}.dot .mark{position:absolute;top:3px;right:4px;font-size:.7rem;line-height:1}.clip{padding:24px}.clip-meta{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;margin-bottom:16px}.clip-meta strong{font-size:1.25rem}.meta-actions{margin-left:auto;display:inline-flex;gap:4px}.player{display:grid;gap:12px;padding:16px;border-radius:var(--radius-md);background:var(--primary-soft);margin-bottom:16px}.player-row{display:flex;align-items:center;gap:16px}.play-wrap{position:relative;flex:none;width:72px;height:72px;display:grid;place-items:center}.play-wrap .ring{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:50%;background:var(--primary);opacity:.22;transition:transform 90ms linear}button.play{position:relative;width:64px;height:64px;border-radius:50%;padding:0;background:var(--primary);color:var(--primary-text);border-color:transparent;box-shadow:0 10px 28px #1d4ed859}.wave-wrap{position:relative;flex:1 1 auto;min-width:0;height:72px}.wave{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;cursor:pointer;opacity:.55;transition:opacity .3s var(--ease)}.wave.ready{opacity:1}.scrub{position:absolute;left:0;right:0;bottom:0;width:100%;min-height:44px;height:44px;margin:0;padding:0;background:transparent;border:none;accent-color:var(--primary);cursor:pointer;opacity:0}.scrub:focus-visible{opacity:1;outline:2px solid var(--focus);outline-offset:2px}.wave-wrap .time{position:absolute;right:4px;top:0;font-size:.95rem;font-variant-numeric:tabular-nums;color:var(--text-3);pointer-events:none}.player .controls{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.player .kbd{font-size:1rem;color:var(--text-3)}.karaoke{margin:4px 0 0;max-width:none;font-size:1.3rem;line-height:1.75;letter-spacing:.01em;color:var(--text-3);overflow-wrap:anywhere}.kw{display:inline-block;padding:0 3px;border-radius:6px;border-bottom:2px solid transparent;transition:color var(--dur) var(--ease),background .12s var(--ease),transform var(--dur) var(--ease),border-color var(--dur) var(--ease)}.kw.done{color:var(--text)}.kw.near{border-bottom-color:var(--primary-line)}.kw.on{color:var(--primary-text);background:var(--primary);transform:translateY(-2px)}.karaoke.live .kw.on{animation:glow .6s var(--ease) infinite alternate}@keyframes glow{to{box-shadow:0 0 0 4px var(--primary-soft)}}kbd{font-family:var(--mono);font-size:.8rem;padding:2px 6px;border-radius:6px;border:1px solid var(--field-border);background:var(--field)}.draft-actions{display:flex;flex-wrap:wrap;align-items:center;gap:4px 12px;padding-top:8px;border-top:1px solid var(--glass-edge)}.draft-actions .title{font-weight:600;color:var(--text-2)}.draft-actions .muted{flex:1 1 260px}.drafts{margin:0;display:grid;gap:8px}.drafts dt{font-size:1rem;color:var(--text-3)}.drafts dd{margin:0;overflow-wrap:anywhere}.recorder{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin:16px 0}.rec-dot{width:10px;height:10px;border-radius:50%;background:#fff;animation:pulse 1s infinite}@keyframes pulse{50%{opacity:.3}}.recordings{list-style:none;padding:0;margin:0 0 16px;display:grid;gap:8px}.recordings li{display:flex;gap:12px;align-items:center;flex-wrap:wrap}audio{max-width:100%}.actions{display:grid;gap:12px;grid-template-columns:1fr;margin-top:24px;padding:16px;border-radius:var(--radius-md)}.actions button{white-space:normal;line-height:1.25}.unusable{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:center}.toast{position:fixed;left:50%;top:calc(var(--header-h) + 20px + env(safe-area-inset-top));transform:translate(-50%);z-index:20;padding:10px 12px 10px 18px;border-radius:var(--radius-full);display:inline-flex;gap:10px;align-items:center;max-width:min(92vw,560px);font-weight:600;animation:drop .24s var(--ease)}.toast button{padding:4px 12px}@keyframes drop{0%{opacity:0;transform:translate(-50%,-12px)}}.sheet{border:1px solid var(--glass-border);padding:0;width:min(92vw,520px);max-height:85dvh;color:var(--text)}.sheet::backdrop{background:#0f172a73}.sheet-body{padding:20px 24px 24px}.sheet-head{display:flex;justify-content:space-between;align-items:center;gap:8px}.sheet-head h2{margin:0}.guide{padding-left:20px;display:grid;gap:8px}.shortcut-list{margin:0;display:grid;gap:10px}.shortcut-list div{display:flex;gap:12px;align-items:center}.shortcut-list dt{flex:0 0 140px}.shortcut-list dd{margin:0}.section{padding:20px;margin-bottom:16px}.section>h2,.section-head h2{margin-top:0}.section-head{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;margin-bottom:8px}.row{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 0}.row input,.row select{width:auto;flex:1 1 180px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:1rem}th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--glass-edge);vertical-align:middle}th{color:var(--text-3);font-weight:600}.cell-actions{white-space:nowrap}code{font-family:var(--mono);overflow-wrap:anywhere}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}@media(min-width:640px){.actions{grid-template-columns:1fr auto auto;align-items:center;position:sticky;bottom:12px}}@media(max-width:639px){.topbar .label,.topbar .who{display:none}.topbar button,.topbar .brand{min-width:44px;padding-inline:10px;justify-content:center}.stepper .label{display:none}.stepper button{min-width:44px;padding-inline:8px}html{scroll-padding-bottom:200px}.pack{padding-bottom:24px}.clip{padding-bottom:200px}.actions{position:fixed;left:0;right:0;bottom:0;z-index:15;margin:0;border-radius:var(--radius-lg) var(--radius-lg) 0 0;padding:12px 16px calc(12px + env(safe-area-inset-bottom));box-shadow:var(--shadow-lg)}.toast{max-width:calc(100vw - 32px)}}@media(max-width:380px){.topbar{gap:4px;padding-inline:6px 6px}.topbar .narrow-hide{display:none}.topbar .pill{padding-inline:10px;min-height:44px}}@media(max-width:480px){.clip{padding:16px 16px 200px}.unusable{grid-template-columns:1fr}.shell{width:min(100% - 24px,880px)}.player-row{gap:12px}.play-wrap{width:64px;height:64px}button.play{width:56px;height:56px}.draft-actions .muted{flex-basis:100%}}