:root{
  --brown:#2f170d;--brown2:#4b2716;--brown3:#6f3a1e;--cream:#fbf6ee;--paper:#fffdf9;
  --orange:#f28a1a;--orange2:#ff6a00;--gold:#f4b64a;--ink:#24130d;--muted:#7e6b61;
  --line:#eadfd2;--soft:#f5eadf;--green:#2f9d62;--red:#d75043;--blue:#3b75d8;--shadow:0 18px 50px rgba(61,32,16,.10);
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:linear-gradient(180deg,#fbf5ec,#f5ede3);font-size:14px}.hidden{display:none!important}button,input,select{font:inherit}.shell{min-height:100vh;display:grid;grid-template-columns:240px minmax(0,1fr)}
.sidebar{position:sticky;top:0;height:100vh;background:linear-gradient(180deg,#2b150d 0%,#3a1d10 55%,#2a140c 100%);color:#fff;padding:22px 16px;display:flex;flex-direction:column;z-index:20;box-shadow:12px 0 35px rgba(56,28,13,.12)}.brand{display:flex;align-items:center;gap:12px;padding:0 10px 22px;border-bottom:1px solid rgba(255,255,255,.1)}.logo{width:42px;height:42px;display:grid;place-items:center;border-radius:13px;background:linear-gradient(135deg,#ff9b28,#f06912);box-shadow:0 10px 25px rgba(242,138,26,.3);font-size:18px}.brand b{font-size:20px;display:block}.brand span{display:block;color:#dcbfa9;font-size:11px;margin-top:2px;letter-spacing:.8px}.sidebar nav{display:grid;gap:6px;margin-top:20px}.sidebar nav a{color:#e9d9cf;text-decoration:none;padding:12px 13px;border-radius:11px;transition:.2s}.sidebar nav a:hover,.sidebar nav a.active{background:linear-gradient(90deg,#7c3e1d,#a95420);color:#fff;box-shadow:0 8px 20px rgba(0,0,0,.12)}.sidebar-card{margin-top:auto;border:1px solid rgba(255,184,96,.22);background:rgba(255,255,255,.05);padding:14px;border-radius:14px}.sidebar-card b{color:#ffd08d}.sidebar-card p{margin:6px 0 0;color:#d7c4b7;font-size:12px;line-height:1.55}.version{font-size:11px;color:#a98d7d;padding:12px 3px 0}
.main{min-width:0;padding:24px 28px 50px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:18px}.topbar h1{margin:3px 0 5px;font-size:28px;line-height:1.2;letter-spacing:-.5px}.topbar p{margin:0;color:var(--muted)}.eyebrow,.kicker{font-size:11px;letter-spacing:1.5px;font-weight:800;color:#b85c1d}.top-actions{display:flex;gap:9px;flex-wrap:wrap}.btn{border:0;border-radius:11px;padding:11px 15px;cursor:pointer;font-weight:750;transition:.2s;display:inline-flex;align-items:center;justify-content:center;gap:7px}.btn:hover{transform:translateY(-1px)}.btn.primary{color:#fff;background:linear-gradient(135deg,var(--orange),var(--orange2));box-shadow:0 10px 24px rgba(242,111,0,.2)}.btn.secondary{background:#4b2716;color:#fff}.btn.ghost{background:#fff;border:1px solid var(--line);color:#5b3825}.btn.small{padding:8px 11px;font-size:12px}.btn.export{color:#fff;background:linear-gradient(135deg,#ff8d1d,#ef5e00);padding:14px 16px;box-shadow:0 14px 28px rgba(239,94,0,.22)}.btn.full{width:100%}
.workflow{background:#fff;border:1px solid var(--line);border-radius:17px;box-shadow:var(--shadow);padding:14px 18px;display:flex;align-items:center;gap:12px;margin-bottom:18px;overflow:auto}.flow-step{display:flex;align-items:center;gap:9px;min-width:max-content;color:#7b665b}.flow-step i{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:#f4e8dc;font-style:normal;font-weight:800}.flow-step.active i{background:linear-gradient(135deg,#ff9b26,#f26705);color:#fff}.flow-step b{display:block;font-size:12px;color:#41281c}.flow-step small{display:block;font-size:10px;margin-top:1px}.flow-line{height:2px;min-width:25px;flex:1;background:linear-gradient(90deg,#f1d5bc,#eadfd4)}
.studio-grid{display:grid;grid-template-columns:260px minmax(450px,1fr) 330px;gap:16px;align-items:start}.panel{background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:17px;box-shadow:var(--shadow)}.upload-card,.editor-card,.inspector-card,.timeline-panel,.preview-panel,.export-panel,.guide{padding:16px}.panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:15px;margin-bottom:13px}.panel-head h2{font-size:16px;margin:2px 0 0}.panel-head p{margin:5px 0 0;color:var(--muted);font-size:12px}.pill{font-size:10px;background:#fff3e7;color:#a85118;border:1px solid #f0d6bc;border-radius:999px;padding:6px 8px;white-space:nowrap}.dropzone{border:1.5px dashed #d6baa3;background:linear-gradient(180deg,#fffdf9,#fbf4ea);border-radius:14px;padding:24px 12px;min-height:215px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;text-align:center;transition:.2s}.dropzone.drag{border-color:var(--orange);background:#fff3e5;transform:scale(1.01)}.drop-icon{width:50px;height:50px;border-radius:50%;display:grid;place-items:center;background:#f8e8d8;color:#9b5528;font-size:26px}.dropzone span,.dropzone small{color:#998174;font-size:11px}.file-card{margin-top:10px;border:1px solid var(--line);border-radius:11px;background:#fff;padding:10px;font-size:12px;line-height:1.5}.mini-tip{margin-top:10px;background:#fff8df;border:1px solid #f3df9b;color:#765b16;padding:10px;border-radius:10px;font-size:11px;line-height:1.45}
.inline-actions{display:flex;gap:6px}.icon-btn{width:34px;height:32px;border:1px solid var(--line);background:#fff;border-radius:9px;cursor:pointer;font-size:17px}.icon-btn.danger{color:var(--red)}.editor-wrap{position:relative;border-radius:13px;overflow:hidden;background:linear-gradient(135deg,#ece5dc,#f8f4ee);min-height:470px;display:grid;place-items:center;border:1px solid #e9ddd0}.editor-wrap canvas{max-width:100%;max-height:590px;display:block;touch-action:none;cursor:crosshair}.empty-state{position:absolute;inset:0;display:grid;place-content:center;text-align:center;color:#8d776a;gap:5px;background:linear-gradient(135deg,#f5eee6,#fff)}.empty-state b{font-size:16px}.empty-state span{font-size:12px}.editor-help{display:flex;flex-wrap:wrap;gap:12px;margin-top:9px;color:#877468;font-size:11px}
.field{display:grid;gap:6px;color:#5f4436;font-weight:700;font-size:12px;margin-bottom:11px}.field input[type=text],.field input:not([type]),.field select,.field input#projectName{width:100%;border:1px solid var(--line);border-radius:9px;background:#fff;padding:9px 10px;color:#3e291e;outline:none}.field input:focus,.field select:focus{border-color:#d69155;box-shadow:0 0 0 3px #f9eadc}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:9px}.preset-row{display:flex;gap:6px;flex-wrap:wrap;margin:2px 0 12px}.preset-chip{border:1px solid var(--line);background:#fff;padding:7px 8px;border-radius:999px;font-size:10px;cursor:pointer}.preset-chip.active{background:#4d2817;color:#fff;border-color:#4d2817}.upload-line{display:flex;align-items:center;gap:8px}.upload-line span{font-size:11px;color:#8b776d;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:165px}.field input[type=range]{accent-color:var(--orange);width:100%}.switch-row{display:flex;justify-content:space-between;align-items:center;gap:10px;border-top:1px solid #f0e7de;padding:10px 0}.switch-row b{display:block;font-size:12px}.switch-row small{display:block;color:#9b877b;font-size:10px;margin-top:2px}.switch{position:relative;width:42px;height:23px;flex:0 0 auto}.switch input{display:none}.switch span{position:absolute;inset:0;border-radius:999px;background:#d8cec7;cursor:pointer;transition:.2s}.switch span:after{content:"";position:absolute;width:17px;height:17px;background:#fff;border-radius:50%;top:3px;left:3px;box-shadow:0 1px 4px rgba(0,0,0,.2);transition:.2s}.switch input:checked+span{background:linear-gradient(90deg,#f59b24,#ef6605)}.switch input:checked+span:after{transform:translateX(19px)}
.timeline-panel{margin-top:16px}.timeline{display:flex;gap:11px;overflow-x:auto;padding:4px 1px 10px;min-height:185px}.timeline-empty{margin:auto;color:#9b877c;background:#faf5ef;border:1px dashed #d8c6b7;border-radius:12px;padding:28px;width:100%;text-align:center}.scene-card{width:250px;flex:0 0 250px;border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden;transition:.2s}.scene-card.dragging{opacity:.45}.scene-card.selected{border-color:#f08b2b;box-shadow:0 0 0 3px #fff0df}.scene-top{display:flex;align-items:center;gap:8px;padding:9px;background:linear-gradient(180deg,#fff9f2,#fff)}.scene-no{width:27px;height:27px;border-radius:50%;display:grid;place-items:center;background:#4a2718;color:#fff;font-size:11px;font-weight:800}.scene-title{min-width:0;flex:1}.scene-title input{width:100%;border:0;background:transparent;font-weight:800;color:#3d281f;outline:none}.drag-handle{cursor:grab;color:#ab9487}.scene-thumb{height:100px;background:#f5eee7;position:relative;overflow:hidden;display:grid;place-items:center}.scene-thumb img{width:100%;height:100%;object-fit:cover}.scene-body{padding:9px;display:grid;gap:8px}.scene-body .row2{display:grid;grid-template-columns:1fr 1fr;gap:7px}.scene-body label{display:grid;gap:3px;font-size:9px;color:#8a7569;font-weight:700}.scene-body select,.scene-body input{border:1px solid #eadfd5;border-radius:7px;padding:6px 7px;font-size:10px;background:#fff;color:#4f3528;min-width:0}.scene-body textarea{width:100%;height:48px;resize:none;border:1px solid #eadfd5;border-radius:7px;padding:7px;font-size:10px;color:#4f3528}.scene-foot{display:flex;justify-content:space-between;align-items:center;padding:7px 9px;border-top:1px solid #f2e8df;background:#fffaf5}.scene-foot button{border:0;background:transparent;cursor:pointer;font-size:10px;color:#8d6d5b}.scene-foot .delete{color:var(--red)}
.preview-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:16px;margin-top:16px}.preview-box{position:relative;min-height:500px;border-radius:14px;overflow:hidden;background:#1a120e;display:grid;place-items:center}.preview-box canvas{max-width:100%;max-height:680px;display:block;background:#fff}.preview-badge{position:absolute;top:11px;left:11px;background:rgba(35,18,10,.62);color:#fff;padding:6px 8px;border-radius:7px;font-size:10px;backdrop-filter:blur(8px)}.preview-actions{display:flex;align-items:center;gap:8px}.status{font-size:10px;border-radius:999px;background:#e9f6ee;color:#287b4d;padding:6px 9px;font-weight:800}.progress{height:7px;background:#eee4db;border-radius:99px;overflow:hidden;margin-top:11px}.progress>div{height:100%;width:0;background:linear-gradient(90deg,#f49a24,#ef6404);transition:width .08s linear}.transport{display:flex;justify-content:space-between;color:#8f7a6e;font-size:11px;margin-top:7px}.export-panel h2{margin:3px 0 12px}.summary-list{display:grid;gap:8px;margin-bottom:14px}.summary-list div{display:flex;justify-content:space-between;padding-bottom:8px;border-bottom:1px solid #f0e7df}.summary-list span{color:#8a766a;font-size:11px}.summary-list b{font-size:12px}.render-note{background:#f6faf7;border:1px solid #cfe8d9;border-radius:10px;padding:10px;margin-top:10px}.render-note b{display:block;color:#2a7d4d;font-size:11px}.render-note span{display:block;font-size:10px;color:#668273;margin-top:3px;line-height:1.4}.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-top:10px}.feature-grid span{font-size:10px;background:#fbf6ef;border:1px solid #eee0d2;border-radius:8px;padding:7px}.guide{margin-top:16px}.guide h2{margin:3px 0 12px}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.guide-grid div{background:linear-gradient(180deg,#fff9f1,#fff);border:1px solid #eedfd0;border-radius:12px;padding:12px}.guide-grid b{font-size:11px;color:#84451f}.guide-grid p{margin:5px 0 0;font-size:11px;line-height:1.55;color:#826e62}.toast{position:fixed;right:24px;bottom:24px;background:#2e190f;color:#fff;padding:12px 16px;border-radius:11px;box-shadow:0 15px 40px rgba(0,0,0,.2);transform:translateY(25px);opacity:0;pointer-events:none;transition:.25s;z-index:99;max-width:360px}.toast.show{transform:none;opacity:1}
@media(max-width:1280px){.studio-grid{grid-template-columns:240px minmax(400px,1fr)}.inspector-card{grid-column:1/-1}.inspector-card{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}.inspector-card>.panel-head{grid-column:1/-1}.inspector-card>.preset-row,.inspector-card>.switch-row{grid-column:span 2}.inspector-card>.two-col{display:contents}.inspector-card>.field{margin:0}}
@media(max-width:980px){.shell{grid-template-columns:78px minmax(0,1fr)}.sidebar{padding:17px 10px}.brand div:not(.logo),.sidebar nav a{font-size:0}.sidebar nav a{display:grid;place-items:center;font-size:18px;padding:12px}.sidebar-card,.version{display:none}.topbar{align-items:flex-start;flex-direction:column}.studio-grid{grid-template-columns:1fr}.inspector-card{display:block}.preview-layout{grid-template-columns:1fr}.guide-grid{grid-template-columns:1fr}}
@media(max-width:720px){.shell{display:block}.sidebar{position:sticky;height:auto;top:0;padding:8px 10px;display:flex;flex-direction:row;align-items:center}.brand{padding:0;border:0}.brand .logo{width:35px;height:35px}.sidebar nav{margin:0 0 0 auto;display:flex}.sidebar nav a:nth-child(n+4){display:none}.main{padding:15px 10px 35px}.topbar h1{font-size:22px}.workflow{padding:10px}.flow-step small,.flow-line{display:none}.studio-grid,.preview-layout{display:block}.panel{margin-bottom:12px}.editor-wrap{min-height:340px}.two-col{grid-template-columns:1fr}.guide-grid{display:block}.guide-grid div{margin-bottom:8px}.top-actions{width:100%}.top-actions .btn{flex:1}.preview-box{min-height:360px}.scene-card{width:220px;flex-basis:220px}}
.export-options{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:10px 0 4px}.export-options .field{margin-bottom:6px}.export-options select{width:100%;border:1px solid var(--line);border-radius:9px;background:#fff;padding:9px 10px;color:#3e291e}.scene-card select option[value="whiteboard"],.scene-card select option[value="marker"]{font-weight:800}.preview-box:after{content:"V3 PRO";position:absolute;right:10px;top:10px;font-size:9px;font-weight:900;letter-spacing:1px;color:#fff;background:linear-gradient(135deg,#ff8d1d,#ef5e00);padding:5px 7px;border-radius:6px;opacity:.9}.format-hint{font-size:10px;color:#8a766a;line-height:1.45}.inspector-card select#colorGrade,.inspector-card select#captionAnim{font-weight:700}.sidebar-card{background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(242,138,26,.06))}
@media(max-width:720px){.export-options{grid-template-columns:1fr}}
.render-pane{display:grid;place-items:center;position:relative;min-width:0;min-height:0}.compare-source{display:none;position:relative;place-items:center;background:#fff;min-height:100%;overflow:hidden}.compare-source img{width:100%;height:100%;object-fit:contain;display:block}.compare-label{display:none;position:absolute;left:9px;bottom:9px;z-index:3;background:rgba(20,14,11,.68);color:#fff;border-radius:6px;padding:5px 7px;font-size:9px;font-weight:800}.preview-box.compare-mode{grid-template-columns:1fr 1fr;align-items:stretch;gap:2px;padding:2px}.preview-box.compare-mode .compare-source{display:grid}.preview-box.compare-mode .render-pane{background:#fff}.preview-box.compare-mode .compare-label{display:block}.preview-box.compare-mode canvas{width:100%;height:100%;object-fit:contain;max-height:680px}
@media(max-width:720px){.preview-box.compare-mode{grid-template-columns:1fr}.preview-box.compare-mode .compare-source{min-height:240px}.preview-box.compare-mode .render-pane{min-height:300px}}


/* V3.4.5: Vbee controls only. Preview/layout intentionally stays exactly like V3 Pro. */
.scene-voice-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.mini-chip{border:1px solid rgba(196,109,20,.35);background:#fff7ef;color:#7a3d09;padding:8px 10px;border-radius:10px;font:700 12px/1.1 inherit;cursor:pointer}
.mini-chip.danger{background:#fff0ef;color:#b24125;border-color:rgba(178,65,37,.25)}
.mini-chip[disabled]{opacity:.45;cursor:not-allowed}
.checkline{display:flex;align-items:center;gap:8px;font-weight:700}
.checkline input{margin:0}


/* V3.4.11 - Vbee text-to-speech composer */
.tts-composer{margin-top:8px;padding:10px;border:1px solid #ecd7c4;border-radius:12px;background:#fffaf5}
.tts-composer-head{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:7px}
.tts-composer-head b{font-size:13px}
.tts-count{font-size:11px;color:#8a7363;font-variant-numeric:tabular-nums}
.tts-textarea{width:100%;min-height:118px;resize:vertical;border:1px solid #e3cdb8;border-radius:10px;padding:10px 11px;background:#fff;font:13px/1.5 inherit;color:#321d11;outline:none}
.tts-textarea:focus{border-color:#f28a16;box-shadow:0 0 0 2px rgba(242,138,22,.12)}
.tts-toolbar{display:grid;grid-template-columns:minmax(0,1.7fr) .7fr .65fr;gap:8px;margin-top:8px}
.tts-toolbar label{font-size:11px;color:#6b4b36}
.tts-toolbar select{width:100%;margin-top:4px}
.tts-status-row{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-top:8px;font-size:11px}
.tts-audio-state{color:#6b7c46;white-space:nowrap}
.scene-voice-actions{margin-top:8px}
.mini-chip.primary{background:#ffb300;color:#2b1a08;border-color:#e8a100;font-weight:800}
@media(max-width:700px){.tts-toolbar{grid-template-columns:1fr}.tts-status-row{align-items:flex-start;flex-direction:column}.tts-audio-state{white-space:normal}}