:root{--bg: #0b0e14;--panel: #12161f;--panel-2: #171c28;--line: #232a38;--text: #e8edf6;--muted: #8a93a6;--accent: #4c8dff;--accent-2: #6c5cff;--good: #2fd48a;--warn: #ffb020;--danger: #ff5a67;--video: #2a6df0;--audio: #16a34a;--textclip: #a855f7}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:Inter,system-ui,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);overflow:hidden;-webkit-font-smoothing:antialiased}button{font-family:inherit;cursor:pointer}input,select,textarea{font-family:inherit}.app{display:flex;flex-direction:column;height:100vh}.topbar{display:flex;align-items:center;gap:12px;padding:8px 14px;background:var(--panel);border-bottom:1px solid var(--line);flex:0 0 auto}.brand{font-weight:800;letter-spacing:.3px}.brand span{color:var(--accent)}.badge{font-size:11px;color:var(--muted);border:1px solid var(--line);padding:2px 8px;border-radius:999px}.spacer{flex:1}.btn{background:var(--panel-2);color:var(--text);border:1px solid var(--line);padding:7px 12px;border-radius:8px;font-size:13px;display:inline-flex;align-items:center;gap:6px}.btn:hover{border-color:#33405a}.btn.primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));border:none;color:#fff;font-weight:600}.btn.ghost{background:transparent}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.sm{padding:4px 9px;font-size:12px}.main{display:flex;flex:1;min-height:0}.left{width:300px;flex:0 0 auto;border-right:1px solid var(--line);background:var(--panel);display:flex;flex-direction:column;min-height:0}.center{flex:1;display:flex;flex-direction:column;min-width:0}.right{width:300px;flex:0 0 auto;border-left:1px solid var(--line);background:var(--panel);overflow-y:auto}.tabbar{display:flex;border-bottom:1px solid var(--line)}.tabbar button{flex:1;background:transparent;border:none;color:var(--muted);padding:10px;font-size:12.5px;border-bottom:2px solid transparent}.tabbar button.active{color:var(--text);border-bottom-color:var(--accent)}.panel-body{flex:1;overflow-y:auto;padding:12px;min-height:0}.dropzone{border:1.5px dashed var(--line);border-radius:10px;padding:18px;text-align:center;color:var(--muted);font-size:13px}.dropzone.drag{border-color:var(--accent);color:var(--text);background:#4c8dff14}.media-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}.media-card{background:var(--panel-2);border:1px solid var(--line);border-radius:8px;overflow:hidden;cursor:pointer}.media-card:hover{border-color:var(--accent)}.media-thumb{aspect-ratio:16/10;background:#000 center/cover no-repeat;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:22px}.media-meta{padding:6px 8px;font-size:11px}.media-meta .n{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.media-meta .d{color:var(--muted)}.preview-wrap{flex:1;display:flex;align-items:center;justify-content:center;background:#05070c;min-height:0;padding:16px;position:relative}.preview-canvas{max-width:100%;max-height:100%;box-shadow:0 8px 40px #0009;border-radius:4px;background:#000}.transport{display:flex;align-items:center;gap:12px;padding:8px 14px;background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.time{font-variant-numeric:tabular-nums;font-size:13px;color:var(--muted)}.play-btn{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:15px}.timeline{height:240px;flex:0 0 auto;background:var(--panel-2);border-top:1px solid var(--line);display:flex;flex-direction:column}.tl-toolbar{display:flex;align-items:center;gap:8px;padding:6px 10px;border-bottom:1px solid var(--line)}.tl-scroll{flex:1;overflow:auto;position:relative}.ruler{height:22px;position:sticky;top:0;background:var(--panel-2);border-bottom:1px solid var(--line);z-index:3}.ruler-tick{position:absolute;top:0;height:100%;border-left:1px solid var(--line);font-size:10px;color:var(--muted);padding-left:3px}.track-row{display:flex;align-items:center;height:56px;border-bottom:1px solid var(--line);position:relative}.track-head{position:sticky;left:0;width:84px;height:100%;flex:0 0 auto;background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;justify-content:center;padding:0 8px;font-size:11px;z-index:2}.track-lane{position:relative;height:100%;flex:1}.clip{position:absolute;top:6px;height:44px;border-radius:6px;overflow:hidden;cursor:grab;border:1px solid rgba(255,255,255,.15);-webkit-user-select:none;user-select:none}.clip.sel{outline:2px solid #fff;z-index:4}.clip.video{background:linear-gradient(180deg,#2a6df0,#1f52b8)}.clip.audio{background:linear-gradient(180deg,#16a34a,#0f7a37)}.clip.image{background:linear-gradient(180deg,#0891b2,#0e6b82)}.clip.text{background:linear-gradient(180deg,#a855f7,#7c34c9)}.clip.sticker{background:linear-gradient(180deg,#f59e0b,#d97706)}.clip .label{font-size:11px;padding:3px 6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#fff}.clip .handle{position:absolute;top:0;width:8px;height:100%;cursor:ew-resize}.clip .handle.l{left:0}.clip .handle.r{right:0}.playhead-line{position:absolute;top:0;width:2px;background:var(--danger);z-index:5;pointer-events:none}.playhead-line:before{content:"";position:absolute;top:0;left:-5px;border:6px solid transparent;border-top-color:var(--danger)}.field{margin-bottom:12px}.field label{display:block;font-size:11.5px;color:var(--muted);margin-bottom:4px}.field input[type=text],.field input[type=number],.field select,.field 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8px;font-size:11.5px;font-variant-numeric:tabular-nums}.kf-jump:hover{border-color:var(--accent)}.kf-row .hint{flex:1;font-size:10.5px}.kf-del{flex:0 0 auto;background:transparent;border:none;color:var(--muted);font-size:12px;padding:2px 4px}.kf-del:hover{color:var(--danger)}.sticker-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}.sticker-btn{aspect-ratio:1;font-size:22px;background:var(--panel-2);border:1px solid var(--line);border-radius:8px;display:flex;align-items:center;justify-content:center;padding:0}.sticker-btn:hover{border-color:var(--accent);background:#4c8dff1a}.auto-card{background:var(--panel-2);border:1px solid var(--line);border-radius:10px;padding:12px;margin-bottom:12px}.auto-card h4{margin:0 0 4px;font-size:13.5px;display:flex;align-items:center;gap:6px}.auto-card p{margin:0 0 10px;font-size:11.5px;color:var(--muted);line-height:1.5}.tag-offline{font-size:10px;color:var(--good);border:1px solid var(--good);border-radius:4px;padding:0 5px}.tag-online{font-size:10px;color:var(--warn);border:1px solid var(--warn);border-radius:4px;padding:0 5px}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:50}.modal{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:22px;width:380px;max-width:90vw}.progress{height:8px;background:var(--panel-2);border-radius:999px;overflow:hidden;margin:12px 0}.progress>div{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width .2s}.statusbar{padding:4px 14px;font-size:11.5px;color:var(--muted);background:var(--panel);border-top:1px solid var(--line);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}@media (max-width: 860px){.left,.right{width:220px}}.auth-wrap{height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;overflow-y:auto;background:radial-gradient(900px 500px at 50% -10%,rgba(76,141,255,.14),transparent 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input:focus{border-color:var(--accent)}.proj-list{max-height:46vh;overflow-y:auto;margin-top:10px;display:flex;flex-direction:column;gap:8px}.proj-row{display:flex;align-items:center;gap:10px;justify-content:space-between;background:var(--panel-2);border:1px solid var(--line);border-radius:9px;padding:9px 11px}.proj-row.on{border-color:var(--accent)}.proj-meta{display:flex;flex-direction:column;gap:2px;min-width:0}.proj-meta b{font-size:13.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.proj-actions{display:flex;gap:6px;flex:0 0 auto}