/* Text to Video Studio — self-contained, offline-first */
body:has(#t2v-app) .tool-page > .container{max-width:1480px}
body:has(#t2v-app) .tool-layout{grid-template-columns:1fr}
body:has(#t2v-app) .tool-layout>.side-stack{display:none}
body:has(#t2v-app) .tool-layout>.panel{border:0;background:transparent;box-shadow:none;overflow:visible}
body:has(#t2v-app) #tool-body{padding:0}
body:has(#t2v-app) .tool-page{padding-top:24px}
.t2v-app{--studio:#ffffff;--studio2:#f7f8fa;--line:#e2e5e9;--text:#202124;--muted2:#69707a;--accent:#2783de;--accent2:#e5f2fc;color:var(--text);font-size:14px}
[data-theme="dark"] .t2v-app{--studio:#202124;--studio2:#17191c;--line:#373a3f;--text:#f4f5f6;--muted2:#a8adb5;--accent:#5e9fe8;--accent2:#243a50}
.t2v-app button,.t2v-app input,.t2v-app select,.t2v-app textarea{font:inherit}
.t2v-studio{background:var(--studio);border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:0 1px 2px rgba(0,0,0,.04),0 8px 24px rgba(0,0,0,.04)}
.t2v-topbar{min-height:58px;display:flex;align-items:center;gap:10px;padding:9px 12px;border-bottom:1px solid var(--line);background:var(--studio);position:relative;top:auto;z-index:20}
.t2v-title-wrap{min-width:190px;flex:1}.t2v-project-name{font-weight:750;border:0;background:transparent;color:var(--text);width:min(320px,100%);padding:5px 7px;border-radius:6px}.t2v-project-name:focus{outline:2px solid var(--accent2)}
.t2v-save-state{font-size:11px;color:var(--muted2);padding-left:7px}.t2v-no-ai{display:inline-flex;align-items:center;gap:6px;padding:6px 9px;border:1px solid #cde7d8;background:#eef8f2;color:#2f7c50;border-radius:999px;font-weight:700;font-size:12px;white-space:nowrap}[data-theme="dark"] .t2v-no-ai{background:#1d3327;border-color:#315d45;color:#8bd0a8}
.t2v-tools{display:flex;align-items:center;gap:6px;flex-wrap:wrap;justify-content:flex-end}.t2v-btn{border:1px solid var(--line);background:var(--studio);color:var(--text);border-radius:8px;min-height:36px;padding:7px 11px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:7px;font-weight:650}.t2v-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--accent2)}.t2v-btn:focus-visible{outline:3px solid color-mix(in srgb,var(--accent) 28%,transparent);outline-offset:1px}.t2v-btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.t2v-btn.primary:hover{filter:brightness(.95)}.t2v-btn.danger{color:#d14f45}.t2v-btn.icon{width:36px;padding:0}.t2v-btn.small{min-height:30px;padding:5px 8px;font-size:12px}.t2v-btn:disabled{opacity:.45;cursor:not-allowed}
.t2v-workspace{display:grid;grid-template-columns:236px minmax(420px,1fr) 308px;min-height:610px;background:var(--studio2)}
.t2v-scenes,.t2v-inspector{background:var(--studio);min-width:0}.t2v-scenes{border-right:1px solid var(--line)}.t2v-inspector{border-left:1px solid var(--line)}
.t2v-panel-head{height:48px;padding:0 12px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);font-weight:750}.t2v-panel-head small{font-weight:500;color:var(--muted2)}
.t2v-scene-list{padding:10px;display:flex;flex-direction:column;gap:9px;overflow:auto;max-height:562px}.t2v-scene-card{display:grid;grid-template-columns:28px 72px 1fr;gap:8px;align-items:center;padding:7px;border:1px solid var(--line);border-radius:8px;background:var(--studio);cursor:pointer;position:relative}.t2v-scene-card:hover{border-color:#b8c4d0}.t2v-scene-card.active{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent2)}.t2v-scene-card.dragging{opacity:.45}.t2v-scene-num{font-weight:750;color:var(--muted2);text-align:center}.t2v-mini{aspect-ratio:16/9;border-radius:5px;display:flex;align-items:center;justify-content:center;padding:5px;color:#fff;font-size:7px;text-align:center;overflow:hidden;background:#26364a}.t2v-scene-info{min-width:0}.t2v-scene-info b{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:12px}.t2v-scene-info span{font-size:10px;color:var(--muted2)}
.t2v-stage{min-width:0;display:flex;flex-direction:column}.t2v-stagebar{height:48px;display:flex;align-items:center;justify-content:space-between;padding:0 12px;border-bottom:1px solid var(--line);background:var(--studio)}.t2v-stagebar-group{display:flex;align-items:center;gap:6px}.t2v-zoom{width:90px;accent-color:var(--accent)}
.t2v-canvas-wrap{flex:1;min-height:476px;display:flex;align-items:center;justify-content:center;padding:28px;background-color:#e7e9ec;background-image:linear-gradient(45deg,#dfe2e6 25%,transparent 25%),linear-gradient(-45deg,#dfe2e6 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#dfe2e6 75%),linear-gradient(-45deg,transparent 75%,#dfe2e6 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0}[data-theme="dark"] .t2v-canvas-wrap{background-color:#101216;background-image:linear-gradient(45deg,#181b20 25%,transparent 25%),linear-gradient(-45deg,#181b20 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#181b20 75%),linear-gradient(-45deg,transparent 75%,#181b20 75%)}
.t2v-canvas-shell{position:relative;max-width:100%;max-height:440px;box-shadow:0 16px 36px rgba(0,0,0,.18);transition:width .15s}.t2v-canvas-shell.grid:after{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.15) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.15) 1px,transparent 1px);background-size:10% 10%}.t2v-canvas{display:block;width:100%;height:100%;background:#111;touch-action:none}.t2v-safe{position:absolute;inset:8%;border:1px dashed rgba(255,255,255,.45);pointer-events:none}.t2v-stage-hint{height:38px;display:flex;align-items:center;justify-content:center;color:var(--muted2);font-size:12px;background:var(--studio);border-top:1px solid var(--line)}
.t2v-tabs{display:flex;border-bottom:1px solid var(--line);overflow:auto}.t2v-tab{flex:1;min-width:54px;border:0;background:transparent;padding:11px 6px;color:var(--muted2);font-weight:700;font-size:12px;cursor:pointer;border-bottom:2px solid transparent}.t2v-tab.active{color:var(--accent);border-bottom-color:var(--accent)}.t2v-inspector-body{padding:14px;max-height:562px;overflow:auto}.t2v-section{border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:14px}.t2v-section:last-child{border-bottom:0;margin-bottom:0}.t2v-section h4{font-size:13px;margin-bottom:10px;display:flex;align-items:center;justify-content:space-between}.t2v-row{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:9px}.t2v-field{display:flex;flex-direction:column;gap:5px;min-width:0}.t2v-field label{font-size:11px;color:var(--muted2);font-weight:650}.t2v-input{border:1px solid var(--line);background:var(--studio2);color:var(--text);border-radius:7px;min-height:36px;padding:7px 9px;width:100%;min-width:0}.t2v-input:focus{outline:2px solid var(--accent2);border-color:var(--accent)}textarea.t2v-input{resize:vertical;line-height:1.45}.t2v-color{height:36px;padding:3px}.t2v-range{width:100%;accent-color:var(--accent)}.t2v-check{display:flex;align-items:center;gap:7px;font-size:12px;margin:7px 0}.t2v-check input{accent-color:var(--accent)}
.t2v-segment{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}.t2v-segment button{flex:1;border:0;border-right:1px solid var(--line);background:var(--studio);color:var(--text);min-height:34px;cursor:pointer}.t2v-segment button:last-child{border-right:0}.t2v-segment button.active{background:var(--accent2);color:var(--accent);font-weight:750}
.t2v-media-drop{border:1.5px dashed var(--line);border-radius:9px;padding:15px;text-align:center;color:var(--muted2);cursor:pointer}.t2v-media-drop:hover{border-color:var(--accent);background:var(--accent2)}.t2v-assets{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin-top:10px}.t2v-asset{aspect-ratio:1;border:1px solid var(--line);border-radius:7px;overflow:hidden;background:var(--studio2);position:relative;cursor:pointer;display:flex;align-items:center;justify-content:center}.t2v-asset img,.t2v-asset video{width:100%;height:100%;object-fit:cover}.t2v-asset span{font-size:9px;padding:4px;text-align:center}.t2v-asset:hover:after{content:"Add";position:absolute;inset:auto 4px 4px;background:rgba(0,0,0,.72);color:#fff;padding:3px;border-radius:4px;text-align:center;font-size:10px}
.t2v-layer{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:center;padding:7px 8px;border:1px solid var(--line);border-radius:7px;margin-bottom:6px}.t2v-layer-actions{display:flex;gap:2px}.t2v-layer-actions button{border:0;background:transparent;color:var(--muted2);cursor:pointer;padding:3px}
.t2v-timeline{border-top:1px solid var(--line);background:var(--studio)}.t2v-timeline-head{height:44px;display:flex;align-items:center;gap:8px;padding:0 12px;border-bottom:1px solid var(--line)}.t2v-time{font-variant-numeric:tabular-nums;font-size:12px;color:var(--muted2);min-width:94px}.t2v-timeline-scroll{overflow-x:auto;padding:10px 12px 14px}.t2v-tracks{min-width:700px;position:relative}.t2v-track{display:grid;grid-template-columns:70px 1fr;min-height:34px;margin-bottom:5px}.t2v-track-label{display:flex;align-items:center;font-size:11px;font-weight:750;color:var(--muted2)}.t2v-track-clips{display:flex;gap:3px;position:relative;border-radius:5px;background:var(--studio2);min-height:34px}.t2v-clip{height:34px;min-width:52px;border-radius:5px;background:#dbeaf8;border:1px solid #9ac4e8;color:#245985;display:flex;align-items:center;padding:0 7px;font-size:10px;font-weight:700;overflow:hidden;white-space:nowrap;cursor:pointer}.t2v-clip.active{outline:2px solid var(--accent);outline-offset:1px}.t2v-clip.audio{background:#e8f1ec;border-color:#a8d2bb;color:#347451}.t2v-playhead{position:absolute;top:0;bottom:0;width:2px;background:#e56458;pointer-events:none;left:70px;z-index:3}.t2v-playhead:before{content:"";position:absolute;top:-3px;left:-4px;border-left:5px solid transparent;border-right:5px solid transparent;border-top:7px solid #e56458}
.t2v-modal-backdrop{position:fixed;inset:0;background:rgba(10,15,22,.6);z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px}.t2v-modal{background:var(--studio);color:var(--text);border:1px solid var(--line);border-radius:12px;width:min(760px,100%);max-height:88vh;overflow:auto;box-shadow:0 24px 70px rgba(0,0,0,.3)}.t2v-modal-head{padding:16px 18px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}.t2v-modal-head h3{font-size:17px}.t2v-modal-body{padding:18px}.t2v-modal-foot{padding:14px 18px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:8px}.t2v-close{border:0;background:transparent;color:var(--muted2);font-size:22px;cursor:pointer}
.t2v-template-grid,.t2v-project-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px}.t2v-template-card,.t2v-project-card{border:1px solid var(--line);border-radius:9px;overflow:hidden;background:var(--studio);cursor:pointer}.t2v-template-card:hover,.t2v-project-card:hover{border-color:var(--accent);transform:translateY(-1px)}.t2v-template-preview{height:100px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;text-align:center;padding:12px}.t2v-card-info{padding:10px}.t2v-card-info b{display:block;font-size:13px}.t2v-card-info span{font-size:11px;color:var(--muted2)}
.t2v-feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.t2v-feature-item{border:1px solid var(--line);border-radius:8px;padding:11px}.t2v-feature-item b{display:block;font-size:12px;margin-bottom:3px}.t2v-feature-item span{font-size:11px;color:var(--muted2)}.t2v-status{font-size:10px;color:#347451;background:#e8f1ec;padding:2px 5px;border-radius:4px;margin-left:4px}
.t2v-progress{height:8px;background:var(--studio2);border-radius:99px;overflow:hidden;margin:10px 0}.t2v-progress>i{display:block;height:100%;background:var(--accent);width:0}.t2v-comment{border-left:3px solid var(--accent);padding:7px 9px;background:var(--studio2);border-radius:0 7px 7px 0;margin-bottom:7px}.t2v-comment b{font-size:11px}.t2v-comment p{font-size:12px;margin:2px 0}.t2v-comment small{color:var(--muted2)}
.t2v-empty{padding:18px;text-align:center;color:var(--muted2);font-size:12px}.t2v-kbd{font-family:monospace;border:1px solid var(--line);border-bottom-width:2px;border-radius:4px;padding:1px 5px;background:var(--studio2);font-size:10px}
@media(max-width:1120px){.t2v-workspace{grid-template-columns:190px minmax(380px,1fr) 280px}.t2v-scene-card{grid-template-columns:24px 58px 1fr}.t2v-topbar{position:static}}
@media(max-width:900px){.t2v-workspace{grid-template-columns:1fr}.t2v-scenes,.t2v-inspector{border:0}.t2v-scenes{border-bottom:1px solid var(--line)}.t2v-scene-list{flex-direction:row;max-height:none;overflow-x:auto}.t2v-scene-card{min-width:190px}.t2v-inspector{border-top:1px solid var(--line)}.t2v-inspector-body{max-height:none}.t2v-canvas-wrap{min-height:420px}.t2v-topbar{align-items:flex-start;flex-wrap:wrap}.t2v-title-wrap{flex-basis:45%}.t2v-tools{flex:1}.t2v-timeline{overflow:hidden}}
@media(max-width:600px){body:has(#t2v-app) .tool-page>.container{padding:0 10px;max-width:100%}.t2v-studio,.t2v-workspace,.t2v-stage{width:100%;min-width:0;max-width:100%}.t2v-topbar{overflow:hidden}.t2v-workspace{display:block}.t2v-stagebar{overflow-x:auto}.t2v-canvas-wrap{min-height:330px;padding:16px 8px}.t2v-topbar{gap:7px}.t2v-no-ai{order:3}.t2v-tools{width:100%;max-width:100%;min-width:0;flex:0 0 100%;justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap}.t2v-btn{white-space:nowrap}.t2v-title-wrap{min-width:0}.t2v-feature-list{grid-template-columns:1fr}.t2v-template-grid,.t2v-project-grid{grid-template-columns:1fr 1fr}.t2v-row{grid-template-columns:1fr}.t2v-canvas-shell{width:calc(100vw - 70px)!important;height:calc((100vw - 70px)*.5625)!important;max-width:320px!important;max-height:320px}.t2v-inspector,.t2v-timeline,.t2v-scenes,.t2v-stage{max-width:calc(100vw - 22px)!important}}
@media(prefers-reduced-motion:reduce){.t2v-template-card,.t2v-project-card,.t2v-canvas-shell{transition:none!important}}