:root{--bg: #121419;--panel: #1a1d24;--panel-2: #20242d;--line: #2b303b;--text: #ecede7;--dim: #8d93a0;--rec: #e5484d;--amber: #e2a33c;--amber-soft: rgba(226, 163, 60, .14);--font-display: "Space Grotesk", system-ui, sans-serif;--font-mono: "IBM Plex Mono", ui-monospace, monospace;--font-body: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--radius: 10px}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:15px;line-height:1.5}h1,h2,h3{font-family:var(--font-display);font-weight:600;margin:0}a{color:inherit}button{font:inherit;color:inherit;cursor:pointer}input,select{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--amber);outline-offset:2px}.shell{max-width:1180px;margin:0 auto;padding:0 24px 64px}.topbar{display:flex;align-items:center;gap:14px;padding:18px 0;margin-bottom:28px;border-bottom:1px solid var(--line)}.wordmark{font-family:var(--font-display);font-weight:700;font-size:18px;letter-spacing:.02em;text-decoration:none;display:flex;align-items:center;gap:9px}.wordmark .dot{width:9px;height:9px;border-radius:50%;background:var(--rec)}.topbar nav{margin-left:auto;display:flex;gap:8px}.btn{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--radius);border:1px solid var(--line);background:var(--panel);font-family:var(--font-display);font-weight:500;font-size:14px;text-decoration:none}.btn:hover{background:var(--panel-2)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-rec{background:var(--rec);border-color:var(--rec);color:#fff}.btn-rec:hover{background:#d23a40}.btn-amber{border-color:var(--amber);color:var(--amber);background:transparent}.btn-amber:hover{background:var(--amber-soft)}.btn-ghost{background:transparent;border-color:transparent;color:var(--dim)}.btn-ghost:hover,.nav-active{color:var(--text);background:var(--panel)}.btn-sm{padding:5px 11px;font-size:13px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.field>label{font-size:13px;color:var(--dim);font-family:var(--font-display)}.field input[type=text],.field input[type=password],.field select,.search input{background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:8px 11px;color:var(--text)}.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.toggle{display:flex;align-items:center;gap:10px;padding:10px 0;cursor:pointer}.toggle input{width:16px;height:16px;accent-color:var(--amber)}.hint{font-size:13px;color:var(--dim)}.warn{font-size:13px;color:var(--amber);background:var(--amber-soft);border:1px solid rgba(226,163,60,.35);border-radius:8px;padding:8px 12px}.error{font-size:13px;color:#f1989b;background:#e5484d1f;border:1px solid rgba(229,72,77,.4);border-radius:8px;padding:8px 12px}.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}.eyebrow{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}.controlbar{display:flex;align-items:center;gap:22px;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:18px 26px;box-shadow:0 16px 48px #00000073;width:fit-content;margin:48px auto}.timecode{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:44px;font-weight:500;letter-spacing:.04em;line-height:1}.rec-pill{display:flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;color:var(--rec)}.rec-pill .lamp{width:10px;height:10px;border-radius:50%;background:var(--rec);animation:blink 1.2s steps(2,start) infinite}.rec-pill.paused{color:var(--amber)}.rec-pill.paused .lamp{background:var(--amber);animation:none}@keyframes blink{50%{opacity:.15}}@media (prefers-reduced-motion: reduce){.rec-pill .lamp{animation:none}}.selfview{width:200px;aspect-ratio:16/9;background:#000;border-radius:10px;object-fit:cover;border:1px solid var(--line)}.shape-grid{display:flex;gap:8px}.shape-grid button{border:1px solid var(--line);background:var(--bg);border-radius:8px;padding:6px 12px;font-size:13px;color:var(--dim)}.shape-grid button[aria-pressed=true]{border-color:var(--amber);color:var(--amber)}.play-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:22px}@media (max-width: 960px){.play-layout{grid-template-columns:1fr}}.stage{position:relative;background:#000;border-radius:14px;overflow:hidden;border:1px solid var(--line)}.stage video.main{display:block;width:100%}.bubble{position:absolute;width:21%;min-width:96px;aspect-ratio:1;object-fit:cover;border:2px solid rgba(255,255,255,.85);box-shadow:0 6px 24px #00000080;background:#000}.bubble.rounded{border-radius:14px}.bubble.circle{border-radius:50%}.bubble.top-left{top:3%;left:2%}.bubble.top-right{top:3%;right:2%}.bubble.bottom-left{bottom:5%;left:2%}.bubble.bottom-right{bottom:5%;right:2%}.chapter-list{display:flex;flex-direction:column;gap:2px;margin-top:8px}.chapter-item{display:flex;align-items:baseline;gap:12px;text-align:left;padding:8px 10px;border-radius:8px;border:none;background:transparent}.chapter-item:hover{background:var(--panel-2)}.chapter-item.active{background:var(--amber-soft)}.chapter-item .t{font-family:var(--font-mono);font-size:12px;color:var(--amber);min-width:52px}.chapter-item input{background:transparent;border:none;border-bottom:1px dashed var(--line);color:var(--text);width:100%;padding:0 0 2px}.transcript-panel{display:flex;flex-direction:column;min-height:0;max-height:78vh}.transcript-scroll{overflow-y:auto;flex:1;padding-right:4px}.seg{display:grid;grid-template-columns:56px 1fr;gap:10px;padding:7px 10px;border-radius:8px;cursor:pointer}.seg:hover{background:var(--panel-2)}.seg.current{background:var(--amber-soft)}.seg .t{font-family:var(--font-mono);font-size:12px;color:var(--amber);padding-top:2px}.seg .x{font-size:14px}.seg textarea{width:100%;background:var(--bg);color:var(--text);border:1px solid var(--amber);border-radius:6px;padding:6px 8px;font:inherit;resize:vertical}.seg mark{background:var(--amber);color:#14161b;border-radius:2px;padding:0 1px}.search{margin:12px 0}.search input{width:100%}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.rec-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px;display:flex;flex-direction:column;gap:6px;text-decoration:none;transition:border-color .12s}.rec-card:hover{border-color:var(--amber)}.rec-card .title{font-family:var(--font-display);font-weight:600;font-size:16px}.rec-card .meta{font-family:var(--font-mono);font-size:12px;color:var(--dim)}.empty{text-align:center;padding:72px 0;color:var(--dim)}.empty .timecode{color:var(--line);font-size:64px}.status-line{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--dim)}.spinner{width:14px;height:14px;border-radius:50%;border:2px solid var(--line);border-top-color:var(--amber);animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion: reduce){.spinner{animation-duration:2s}}dialog.modal{background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:14px;padding:22px;max-width:460px;width:calc(100% - 48px)}dialog.modal::backdrop{background:#0009}.meter-wrap{display:flex;flex-direction:column;gap:6px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:20px}.meter{height:6px;background:var(--bg);border-radius:3px;overflow:hidden}.meter>span{display:block;height:100%;background:var(--amber);border-radius:3px}.meter>span.crit{background:var(--rec)}.meter-row{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--dim);flex-wrap:wrap}.meter-row .mono{color:var(--text)}.input-clear{position:relative;display:flex;align-items:center}.input-clear input{flex:1;padding-right:36px}.clear-btn{position:absolute;right:8px;top:50%;transform:translateY(-50%);width:20px;height:20px;border-radius:50%;padding:0;border:none;background:var(--line);color:var(--text);display:flex;align-items:center;justify-content:center;font-size:15px;line-height:1}.clear-btn:hover{background:var(--rec);color:#fff}.about-list{margin:4px 0 8px;padding-left:18px}.about-list li{margin-bottom:8px}.about-list strong{color:var(--text)}.placement-frame{position:relative;width:100%;max-width:360px;aspect-ratio:16/9;background:repeating-linear-gradient(45deg,#15171d,#15171d 10px,#181b22 10px,#181b22 20px);border:1px solid var(--line);border-radius:10px}.placement-hint{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:11px;letter-spacing:.12em;color:var(--dim);text-transform:uppercase;pointer-events:none}.placement-corner{position:absolute;width:28%;aspect-ratio:1;padding:0;border:1px dashed var(--line);background:transparent;border-radius:8px;display:flex;align-items:center;justify-content:center}.placement-corner:hover{border-color:var(--amber)}.placement-corner.active{border-color:var(--amber);border-style:solid}.placement-corner.top-left{top:6%;left:3%}.placement-corner.top-right{top:6%;right:3%}.placement-corner.bottom-left{bottom:6%;left:3%}.placement-corner.bottom-right{bottom:6%;right:3%}.placement-bubble{width:100%;height:100%;object-fit:cover;border:2px solid rgba(255,255,255,.85)}.placement-bubble.circle{border-radius:50%}.placement-bubble.rounded{border-radius:8px}.placement-dot{width:60%;height:60%;background:var(--panel-2)}.placement-dot.circle{border-radius:50%}.placement-dot.rounded{border-radius:6px}.kg-accordion{display:flex;flex-direction:column;gap:8px;margin:10px 0 4px}.kg-item{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--bg)}.kg-item.open{border-color:var(--amber)}.kg-head{width:100%;display:grid;grid-template-columns:110px 1fr 24px;align-items:center;gap:12px;text-align:left;padding:12px 14px;background:transparent;border:none}.kg-head:hover{background:var(--panel-2)}.kg-name{font-family:var(--font-display);font-weight:600;font-size:15px}.kg-used{font-size:13px;color:var(--dim)}.kg-chevron{font-family:var(--font-mono);font-size:18px;color:var(--amber);text-align:center}.kg-panel{padding:0 14px 14px}.kg-steps{margin:6px 0 12px;padding-left:20px}.kg-steps li{margin-bottom:6px;font-size:14px}@media (max-width: 520px){.kg-head{grid-template-columns:1fr 24px}.kg-used{grid-column:1 / -1}}