:root{color-scheme:dark;--bg:#050b16;--panel:rgba(11,24,41,.78);--panel2:rgba(15,34,57,.9);--text:#edf7ff;--muted:#849cb4;--cyan:#5ce9d9;--violet:#a78bfa;--gold:#ffd27a;--line:rgba(150,195,223,.13)}*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;overflow:hidden;font-family:"Microsoft YaHei UI","Segoe UI",sans-serif;background:radial-gradient(circle at 45% 15%,#102b43 0,#081321 34%,var(--bg) 75%);color:var(--text)}button,textarea{font:inherit}.aurora{position:fixed;border-radius:50%;filter:blur(80px);opacity:.14;pointer-events:none}.aurora-a{width:420px;height:420px;left:25%;top:-240px;background:#48e4d0}.aurora-b{width:500px;height:500px;right:-260px;bottom:-220px;background:#826df0}.app-shell{position:relative;height:100%;display:grid;grid-template:64px minmax(0,1fr)/250px minmax(580px,1fr) 300px;gap:12px;padding:0 14px 14px}.glass{background:linear-gradient(155deg,rgba(16,34,56,.9),rgba(7,17,31,.86));border:1px solid rgba(151,210,231,.11);box-shadow:0 24px 60px rgba(0,0,0,.22);backdrop-filter:blur(18px)}.topbar{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;padding:0 9px}.brand-mark{display:inline-grid;place-items:center;width:29px;height:29px;margin-right:11px;border-radius:9px;background:linear-gradient(135deg,var(--cyan),#6fb8ff);color:#06201f;font-weight:900}.eyebrow{font-size:11px;letter-spacing:.16em;color:#c5e9ed;font-weight:700}.device-pill{display:flex;gap:8px;align-items:center;padding:8px 12px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:12px}.device-pill span{width:7px;height:7px;border-radius:50%;background:#53687b}.device-pill.online{color:#c9fff7}.device-pill.online span{background:var(--cyan);box-shadow:0 0 12px var(--cyan)}.sidebar,.companion,.stage{border-radius:18px;min-height:0}.sidebar{padding:19px 15px;display:flex;flex-direction:column}.sidebar-head{display:flex;align-items:center;justify-content:space-between}.sidebar h2{font-size:19px;margin:0}.sidebar p{font-size:11px;margin:4px 0;color:var(--muted)}.icon-button{border:0;width:34px;height:34px;border-radius:11px;background:var(--cyan);color:#06201f;font-size:21px;cursor:pointer}.project-list{height:152px;overflow:auto;margin:15px 0 20px;padding-right:3px}.project-item{width:100%;text-align:left;border:1px solid transparent;background:transparent;color:#bed0e0;padding:10px;border-radius:11px;cursor:pointer}.project-item:hover,.project-item.active{background:rgba(85,230,213,.09);border-color:rgba(85,230,213,.2);color:#fff}.project-item b,.project-item span,.project-item small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.project-item b{font-size:12px}.project-item span{font-size:10px;color:var(--muted);margin-top:4px}.project-item small{font-size:9px;color:#71879b;margin-top:4px}.project-item .project-status{color:#7d97a9}.project-item .project-status.blocked{color:#c77a7a}.project-item .project-status.working{color:#a18bda}.project-item .project-status.done{color:#73b8a4}.flow-label{font-size:10px;color:#6f879d;letter-spacing:.14em;margin:0 8px 6px}nav{display:flex;flex-direction:column;gap:4px}nav button{display:flex;align-items:center;gap:12px;padding:10px;border:0;border-radius:11px;background:transparent;color:#90a7bc;text-align:left;cursor:pointer}nav button b{font-size:10px;color:#587085}nav button span{font-size:12px}nav button:hover,nav button.active{background:linear-gradient(90deg,rgba(94,235,217,.12),transparent);color:#f2ffff}nav button.active b{color:var(--cyan)}.stage{position:relative;overflow:hidden;padding:27px}.stage-meta{display:flex;align-items:center;gap:8px;font-size:9px;letter-spacing:.09em;color:#526a80}.stage-meta span:first-child{color:var(--violet)}.stage-line{width:20px;height:1px;background:#284159}.stage h1{font-size:30px;margin:21px 0 5px;letter-spacing:-.04em}.stage>div>p{color:var(--muted);font-size:13px;margin:0 0 20px}.scene-card{height:calc(100vh - 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