:root { color-scheme:light; --bg:#f6f7fb;--panel:#fff;--text:#121620;--muted:#687387;--line:#e2e7f0;--blue:#3357f7;--accent:#3357f7;--wash:#eef2ff;--shadow:0 14px 44px rgba(24,32,55,.06)}
html[data-theme="dark"] {color-scheme:dark;--bg:#0d1018;--panel:#171b27;--text:#f5f7fc;--muted:#9aa6bd;--line:#303849;--blue:#6782ff;--accent:#6782ff;--wash:#202b4b;--shadow:0 16px 46px rgba(0,0,0,.2)}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;font-size:14px}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}[hidden]{display:none!important}
.site-head{height:66px;background:var(--panel);border-bottom:1px solid var(--line);position:relative;z-index:10;flex:none}.site-inner{width:100%;max-width:1150px;margin:0 auto;height:100%;padding:0 24px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px}.brand{font-size:24px;letter-spacing:-1.6px;font-weight:850;white-space:nowrap}.brand span{color:var(--blue)}.site-nav{display:flex;align-items:center;justify-content:center;gap:24px;font-weight:650;font-size:13px;white-space:nowrap}.site-nav a:hover{color:var(--blue)}.head-btn{border:0;background:transparent;color:var(--text);font-size:20px;justify-self:end;width:38px;height:38px;display:grid;place-items:center;border-radius:50%}.head-btn:hover{background:var(--wash)}.shell{max-width:1400px;margin:auto;padding:24px 24px 40px}
.top{display:flex;align-items:end;justify-content:space-between;gap:20px;margin:6px 0 24px}.top h1{font-size:clamp(36px,4.6vw,58px);line-height:1.1;letter-spacing:-2.8px;margin:11px 0}.top h1 span{color:var(--blue)}.top p{color:var(--muted);max-width:750px;font-size:16px;margin:0;line-height:1.6}.eyebrow{font-size:10px;letter-spacing:2px;color:var(--blue);font-weight:900}.pulse{display:inline-block;width:8px;height:8px;background:#25c58a;border-radius:50%;margin-right:5px}.top-state{display:flex;gap:8px;flex-wrap:wrap;justify-content:end}.top-state span,.tag{border:1px solid var(--line);padding:7px 10px;border-radius:20px;color:var(--muted);font-size:11px;font-weight:750;white-space:nowrap}
.upload{min-height:400px;background:var(--panel);border:1.5px dashed color-mix(in srgb,var(--blue) 30%,var(--line));border-radius:26px;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;gap:14px;padding:34px;box-shadow:var(--shadow)}.upload-icon{display:grid;place-items:center;background:var(--wash);color:var(--blue);border-radius:24px;width:72px;height:72px;font-size:44px}.upload h2{font-size:28px;letter-spacing:-.8px;margin:4px}.upload p{color:var(--muted);margin:6px auto;line-height:1.5}.upload-help{font-size:12px}.primary-btn,.secondary-btn,.text-btn,.play{border-radius:11px;padding:12px 16px;font-weight:750;display:inline-flex;align-items:center;justify-content:center;white-space:nowrap;gap:8px;text-align:center}.primary-btn{background:var(--blue);color:#fff;border:1px solid var(--blue)}.primary-btn:hover{filter:brightness(1.07)}.secondary-btn,.play{background:var(--panel);color:var(--text);border:1px solid var(--line)}.secondary-btn:hover{border-color:var(--blue)}.text-btn{border:0;background:transparent;color:var(--blue)}.full{width:100%}.sr-only{position:absolute;clip:rect(0 0 0 0);width:1px;height:1px;overflow:hidden}
.editor-top{display:flex;justify-content:space-between;align-items:center;margin:0 0 14px}.editor-top strong{font-size:17px;word-break:break-all}.editor-top p{color:var(--muted);margin:4px 0}.editor-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(340px, .92fr);gap:20px;align-items:start}.studio-card{background:var(--panel);border:1px solid var(--line);border-radius:19px;box-shadow:var(--shadow);padding:20px;margin-bottom:18px;min-width:0}.stage-card{position:relative;top:auto}.card-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:16px}.card-heading strong{font-size:17px;letter-spacing:-.35px}.stage-bg{background:#0d1018;background-image:radial-gradient(ellipse at 30% 10%,#273758 0,transparent 46%);display:flex;align-items:center;justify-content:center;border-radius:17px;padding:15px;min-height:470px;max-height:calc(100vh - 260px)}.stage-bg canvas{max-height:calc(100vh - 315px);max-width:100%;width:auto;height:auto;display:block;box-shadow:0 16px 54px #0005;border-radius:8px}.transport{margin:16px 0;display:flex;align-items:center;gap:12px}.transport input{flex:1;min-width:45px}.transport #time{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}.track-label{display:flex;align-items:center;justify-content:space-between;font-weight:750;font-size:12px}.track-label span{color:var(--muted);font-weight:500}.track-bar{height:37px;margin-top:9px;background:var(--wash);border:1px solid var(--line);border-radius:9px;position:relative;overflow:hidden;cursor:crosshair}.track-events{position:absolute;inset:0}.track-event{position:absolute;top:6px;height:22px;border-radius:6px;border:0;background:var(--blue);color:white;padding:0 6px;font-size:10px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:left;min-width:8px}.track-event.selected{outline:2px solid #fbbf24;outline-offset:-2px}.track-cursor{position:absolute;top:0;bottom:0;width:2px;background:#f97316;pointer-events:none}.micro-hint,.section-note{color:var(--muted);font-size:12px;line-height:1.55}.section-note{margin:0 0 13px}.micro-hint{margin:11px 0}.button-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:12px 0}.button-row .primary-btn,.button-row .secondary-btn,.button-row .text-btn{font-size:12px;padding:9px 11px}.hint-count{margin-left:auto;color:var(--muted);font-size:12px}.studio-card label:not(.secondary-btn):not(.checkline){font-size:12px;color:var(--muted);font-weight:750;display:flex;flex-direction:column;gap:7px}.studio-card textarea,.studio-card select,.studio-card input[type="number"],.studio-card input[type="text"]{width:100%;background:var(--bg);color:var(--text);border:1px solid var(--line);border-radius:9px;padding:10px;outline:none}.studio-card textarea{margin-top:8px;min-height:100px;resize:vertical;line-height:1.5}.studio-card textarea:focus,.studio-card select:focus,.studio-card input:focus{border-color:var(--blue)}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.checkline{display:flex;align-items:center;gap:9px;font-size:12px;font-weight:700}.checkline input{accent-color:var(--blue)}.suggestions{display:grid;gap:10px;margin-top:14px}.suggestion{display:flex;gap:12px;justify-content:space-between;align-items:center;padding:11px;border:1px solid var(--line);border-radius:12px}.suggestion strong{font-size:13px;display:block}.suggestion span{color:var(--muted);font-size:11px;display:block;margin-top:5px}.suggestion button{border-radius:9px;border:1px solid var(--blue);color:var(--blue);background:var(--wash);font-weight:800;padding:8px 12px;min-width:60px}.suggestion button:disabled{opacity:.55;cursor:default}.event-editor{display:grid;gap:12px}.editor-actions{display:flex;gap:8px}.editor-actions button{flex:1}.empty-text{color:var(--muted);font-size:13px;margin:0;padding:18px;text-align:center}.notice{background:var(--wash);color:var(--text);border:1px solid var(--line);padding:14px;border-radius:12px;margin:12px 0}.export-progress{margin-top:13px}.progress-line{background:var(--wash);height:8px;border-radius:40px;overflow:hidden}.progress-line span{display:block;width:0;height:100%;background:var(--blue)}.export-progress p{font-size:12px;color:var(--muted)}.privacy-foot{text-align:center;color:var(--muted);font-size:12px;margin:35px 0 6px}
@media(max-width:1050px){.site-inner{display:flex;justify-content:space-between}.site-nav{display:none}.editor-grid{grid-template-columns:minmax(0,1fr)}.stage-card{position:static}.stage-bg{min-height:360px}.stage-bg canvas{max-height:570px}}
@media(max-width:620px){.site-head{height:56px}.shell{padding:14px 12px 30px}.top{display:block;margin:8px 0 20px}.top h1{font-size:42px}.top p{font-size:13px}.top-state{justify-content:start;margin-top:18px}.top-state span{padding:5px 8px;font-size:10px}.studio-card{padding:13px;border-radius:15px;margin-bottom:12px}.stage-bg{min-height:340px;padding:12px}.stage-bg canvas{max-height:440px}.transport{gap:8px}.transport .play{padding:10px 12px}.transport #time{font-size:10px}.form-grid{gap:10px}.suggestion{gap:8px}.editor-top{gap:10px}.editor-top .secondary-btn{padding:9px;font-size:12px}.upload{min-height:340px}}

/* v0.1.1: Keep the site header at document top, including full-page screenshots. */
.site-head {isolation:isolate;}
@media(max-width:620px){.site-inner{padding:0 16px;}.site-head{height:58px;}}

/* v0.1.2 — video decode diagnostics and Safari compatible source */
#source-video{position:fixed!important;left:0;bottom:0;width:2px;height:2px;opacity:.01;pointer-events:none;z-index:-1}
.stage-bg{position:relative}
.media-status{position:absolute;inset:0;z-index:3;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;text-align:center;color:#eef3ff;background:rgba(8,12,23,.94);border-radius:17px;gap:10px}
.media-status[hidden],.media-status-actions button[hidden]{display:none!important}
.media-status strong{font-size:17px;line-height:1.35}
.media-status p{max-width:340px;margin:0;color:#b8c5d9;font-size:13px;line-height:1.6}
.media-status-icon{width:30px;height:30px;border:3px solid rgba(176,198,245,.2);border-top-color:#83a1ff;border-radius:50%;animation:automotion-loading 1s linear infinite}
.media-status[data-phase="error"] .media-status-icon,.media-status[data-phase="manual"] .media-status-icon{animation:none;border:none;width:auto;height:auto}
.media-status[data-phase="error"] .media-status-icon::after{content:'!';display:grid;place-items:center;background:#b83c4d;border-radius:50%;width:30px;height:30px;color:#fff;font-weight:900}
.media-status[data-phase="manual"] .media-status-icon::after{content:'▶';display:grid;place-items:center;background:#4c6dff;border-radius:50%;width:38px;height:38px;color:#fff;font-size:16px}
.media-status-actions{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-top:10px}
.media-status-actions button{padding:10px 13px}
@keyframes automotion-loading{to{transform:rotate(360deg)}}

/* v0.2 — calmer editorial experience */
.section-note{font-size:12.5px;line-height:1.65}
#asr-note{padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:var(--wash);margin:14px 0;color:var(--muted)}
.suggestion{border-radius:14px;background:color-mix(in srgb,var(--panel) 94%,var(--wash) 6%);padding:13px}
.suggestion strong{letter-spacing:-.15px;font-size:13px;line-height:1.3}
.suggestion button{font-size:12px}
#transcript{font-size:13px;line-height:1.75}
#ondevice-btn{border-color:color-mix(in srgb,var(--accent) 35%,var(--line));color:var(--text)}
#ondevice-btn:disabled{opacity:.65;cursor:wait}

@media(max-width:620px){.studio-card{padding:15px}.stage-bg{min-height:310px}}