.latexdesk-app{max-width:1400px;margin:20px auto;padding:18px;border:1px solid #ddd;border-radius:14px;background:#fff;box-shadow:0 6px 24px rgba(0,0,0,.06)}
.latexdesk-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.latexdesk-toolbar h2{margin:0;font-size:26px}
.latexdesk-toolbar button,.latexdesk-toolbar select,.latexdesk-toolbar a{font-size:14px;padding:10px 14px;border-radius:8px;border:1px solid #ccc;text-decoration:none;display:inline-block}
.latexdesk-toolbar button{cursor:pointer;background:#111;color:white;border-color:#111}
.latexdesk-toolbar button:disabled{opacity:.6;cursor:not-allowed}
#latexdesk-download,#latexdesk-open{background:#f3f3f3;color:#111}
.latexdesk-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;min-height:680px}
.latexdesk-panel{display:flex;flex-direction:column;min-width:0}
.latexdesk-panel label{font-weight:700;margin-bottom:8px}
#latexdesk-code{width:100%;height:640px;resize:vertical;font-family:Consolas,Monaco,monospace;font-size:15px;line-height:1.5;padding:14px;border:1px solid #ccc;border-radius:10px;direction:ltr;white-space:pre;box-sizing:border-box}
#latexdesk-status{min-height:42px;padding:10px;border-radius:10px;background:#f7f7f7;margin-bottom:10px;white-space:pre-wrap;font-family:Consolas,Monaco,monospace;font-size:13px;overflow:auto;max-height:160px}
#latexdesk-preview-wrap{position:relative;width:100%;height:590px;border:1px solid #ccc;border-radius:10px;background:#202124;overflow:hidden;display:flex;flex-direction:column}
#latexdesk-pdf{position:absolute;inset:0;width:100%;height:100%;border:0;background:#fafafa}
#latexdesk-pdfjs-toolbar{display:flex;align-items:center;justify-content:center;gap:10px;padding:8px;background:#f5f5f5;border-bottom:1px solid #ddd;z-index:2;flex-shrink:0}
#latexdesk-pdfjs-toolbar button{padding:7px 10px;border:1px solid #bbb;border-radius:7px;background:white;cursor:pointer}
#latexdesk-pdfjs-toolbar button:disabled{opacity:.45;cursor:not-allowed}
#latexdesk-page-info{font-size:14px;font-weight:600;color:#222}
#latexdesk-pdfjs-scroll{flex:1;overflow:auto;text-align:center;padding:8px;box-sizing:border-box;background:#202124;width:100%}
#latexdesk-pdf-canvas{display:block;margin:0 auto;background:white;box-shadow:0 2px 12px rgba(0,0,0,.28);max-width:100%;height:auto;box-sizing:border-box}
#latexdesk-preview-fallback{position:absolute;left:12px;right:12px;bottom:12px;padding:10px;border-radius:8px;background:rgba(255,255,255,.92);font-size:13px;color:#333;box-shadow:0 3px 14px rgba(0,0,0,.12);z-index:5}
.latexdesk-box{max-width:900px;margin:30px auto;padding:25px;border:1px solid #ddd;border-radius:12px;background:#fff}
@media(max-width:900px){.latexdesk-toolbar button,.latexdesk-toolbar select,.latexdesk-toolbar a{width:100%;box-sizing:border-box;text-align:center}.latexdesk-app{padding:10px;margin:10px auto}.latexdesk-grid{grid-template-columns:1fr}.latexdesk-toolbar{align-items:flex-start}.latexdesk-toolbar>div{display:flex;gap:8px;flex-wrap:wrap}#latexdesk-code{height:420px}#latexdesk-preview-wrap{height:520px}#latexdesk-pdfjs-scroll{padding:6px}}