:root{--bg:#11100f;--panel:#181614;--panel2:#211e1a;--line:#34302a;--text:#eee8dd;--muted:#9e9587;--accent:#ff8b62;--green:#a8d7ae;--red:#ff7f72}
*{box-sizing:border-box}html,body{margin:0;height:100%;overflow:hidden}body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text)}button,input,textarea{font:inherit}.studio-topbar{height:54px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:#151311;padding:0 12px;gap:12px}.studio-name{font-weight:700;letter-spacing:.02em;display:flex;align-items:center;gap:8px}.studio-mark{color:var(--accent)}.top-actions{display:flex;gap:6px;flex-wrap:wrap}.top-btn,.mini-btn,.danger-btn{border:1px solid var(--line);background:#201d19;color:var(--text);border-radius:5px;padding:7px 10px;cursor:pointer}.top-btn:hover,.mini-btn:hover{border-color:#5a5145}.top-btn.primary{background:var(--accent);color:#1b120e;border-color:var(--accent);font-weight:700}.studio-shell{height:calc(100vh - 54px);display:grid;grid-template-columns:230px minmax(360px,1fr) minmax(360px,1fr);min-width:920px}.explorer,.editor-panel,.preview-panel{min-width:0;background:var(--panel)}.explorer{border-right:1px solid var(--line);display:flex;flex-direction:column}.editor-panel{border-right:1px solid var(--line);display:flex;flex-direction:column}.preview-panel{display:flex;flex-direction:column;background:#0d0c0b}.panel-title,.preview-head{height:40px;padding:0 12px;display:flex;align-items:center;justify-content:space-between;font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--muted);border-bottom:1px solid var(--line)}.panel-title button{border:0;background:transparent;color:var(--muted);font-size:18px;cursor:pointer}.file-tree{padding:8px 6px;overflow:auto;flex:1}.file-item{display:flex;align-items:center;gap:8px;width:100%;border:0;background:transparent;color:var(--text);padding:7px 9px;border-radius:4px;text-align:left;cursor:pointer;font-size:13px}.file-item:hover{background:#25211d}.file-item.active{background:#302a23}.file-icon{width:17px;text-align:center;color:var(--accent)}.folder{color:#c9b998}.explorer-footer{padding:10px;border-top:1px solid var(--line)}.explorer-footer p{font-size:10px;line-height:1.45;color:var(--muted);margin:9px 2px 0}.danger-btn{width:100%;color:var(--red);border-color:#4a2c28}.danger-btn:disabled{opacity:.35;cursor:not-allowed}.tabs{height:39px;display:flex;overflow:auto;border-bottom:1px solid var(--line);background:#151311}.tab{border:0;border-right:1px solid var(--line);background:#151311;color:var(--muted);padding:0 13px;cursor:pointer;white-space:nowrap;font-size:12px}.tab.active{background:var(--panel2);color:var(--text);box-shadow:inset 0 -2px var(--accent)}.editor-wrap{position:relative;flex:1;display:flex;overflow:hidden;background:#12110f}.line-numbers{width:46px;padding:14px 8px 14px 0;text-align:right;color:#5e584f;font:12px/20px ui-monospace,SFMono-Regular,Menlo,monospace;overflow:hidden;user-select:none}.editor-wrap textarea{flex:1;border:0;outline:0;resize:none;background:transparent;color:#e8e0d2;padding:14px 14px 20px 12px;font:13px/20px ui-monospace,SFMono-Regular,Menlo,monospace;tab-size:2;white-space:pre;overflow:auto}.statusbar{height:25px;background:#24201b;color:#b6ad9e;display:flex;justify-content:flex-end;align-items:center;gap:15px;padding:0 10px;font:10px ui-monospace,monospace}.statusbar span:first-child{margin-right:auto}.preview-head{background:#12110f}.preview-panel iframe{border:0;width:100%;height:100%;background:#fff}.mini-btn{padding:4px 8px;font-size:10px;margin-left:4px}.file-dialog{border:1px solid var(--line);background:var(--panel2);color:var(--text);border-radius:8px;padding:22px;width:min(420px,calc(100vw - 40px));box-shadow:0 25px 80px #000}.file-dialog::backdrop{background:rgba(0,0,0,.65)}.file-dialog h2{margin:0 0 8px;font-size:20px}.file-dialog p{color:var(--muted);font-size:13px}.file-dialog label{display:grid;gap:7px;margin-top:18px;font-size:12px}.file-dialog input{background:#11100f;border:1px solid var(--line);color:var(--text);padding:10px;border-radius:5px;outline:0}.dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:20px}.top-btn.danger{color:#fff;background:#8f3229;border-color:#8f3229}@media(max-width:1100px){.studio-shell{grid-template-columns:200px 1fr 1fr}.studio-topbar .top-btn{padding:6px 8px}}