:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:#eef1f6;background:#0c0e12;--bg2:#11151b;--panel:#151922;--line:#2a303a;--muted:#98a1af;--accent:#6c8cff}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;background:radial-gradient(circle at top right,#182033 0,#0c0e12 44%)}
button,select{font:inherit}
[hidden]{display:none!important}
.shell{max-width:1200px;margin:0 auto;padding:24px}
.top{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:18px}
.top h1{font-size:24px;margin:0 0 4px}.top h1 span{font-size:14px;font-weight:500;color:var(--muted);margin-left:8px}
.top p{margin:0;color:var(--muted);font-size:13px}
.badge{border:1px solid var(--line);padding:6px 12px;border-radius:999px;color:#c9d0da;font-size:12px;white-space:nowrap}
.grid{display:grid;grid-template-columns:320px 1fr;gap:16px}
.panel{background:rgba(21,25,34,.9);border:1px solid var(--line);border-radius:16px}
.controls{padding:16px;display:flex;flex-direction:column;gap:12px;align-self:start}
.drop{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;min-height:130px;padding:16px;border:1.5px dashed #455064;border-radius:12px;background:var(--bg2);text-align:center;cursor:pointer;transition:.15s}
.drop:hover,.drop[data-over="1"]{border-color:var(--accent);background:#161d2a}
.drop-title{font-weight:700;font-size:14px}.formats{color:var(--muted);font-size:11px}
.file-row{display:flex;justify-content:space-between;gap:10px;align-items:center}
.file-row span{font-size:12px;color:#ccd2dc;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ghost,.secondary,.primary{border:1px solid var(--line);border-radius:10px;padding:10px 12px;cursor:pointer;width:auto}
.ghost{background:transparent;color:#d3d8e0;padding:6px 10px;font-size:12px}
.secondary{background:var(--bg2);color:#d3d8e0;width:100%}
.primary{width:100%;background:var(--accent);color:#0c0e12;font-weight:700;border-color:var(--accent)}
.primary:hover:not(:disabled){filter:brightness(1.1)}
.primary:disabled{opacity:.35;cursor:not-allowed}
.statbox{padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--bg2);font-size:12px;color:#cbd1da}
.warnings{color:#d9c995;font-size:11px;line-height:1.45}.warnings:empty{display:none}
.opts{display:flex;flex-direction:column;gap:8px}
.check{font-size:12px;color:#cbd1da;cursor:pointer}.check input{margin-right:6px;vertical-align:middle}
.frame-row input{width:100%}.frame-row span{display:block;font-size:11px;color:var(--muted)}
progress{width:100%;height:5px}
.status{font-size:12px;color:var(--muted);line-height:1.45}
.status[data-kind="ok"]{color:#b9d9c5}
.status[data-kind="error"]{color:#f3b4b4;background:#2a1517;border:1px solid #5a2a2e;border-radius:10px;padding:10px 12px}
.preview-panel{padding:14px;min-width:0}
.preview-head h2{font-size:14px;margin:0 0 10px;color:var(--muted);font-weight:600}
.canvas-wrap{position:relative;height:min(70vh,720px);min-height:420px;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:var(--bg2)}
canvas{display:block;width:100%;height:100%}
.empty{position:absolute;inset:0;display:grid;place-items:center;color:var(--muted);font-size:13px}
@media(max-width:900px){.grid{grid-template-columns:1fr}.canvas-wrap{min-height:55vh}}
@media(max-width:560px){.shell{padding:14px}.top{flex-direction:column;align-items:flex-start}}
.select-label{font-size:12px;color:var(--muted)}
select{background:var(--bg2);color:#d3d8e0;border:1px solid var(--line);border-radius:10px;padding:8px 10px;width:100%}

.keydlg{position:fixed;inset:0;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;z-index:10}
.keybox{max-width:380px;width:90%;display:flex;flex-direction:column;gap:12px}
.keybox input{padding:10px;border-radius:8px;border:1px solid #444;background:#111;color:inherit;font:inherit}
.file-row button+button{margin-left:6px}

.wake{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);display:flex;gap:14px;align-items:center;background:#1b1f29;border:1px solid var(--line);border-radius:14px;padding:14px 18px;box-shadow:0 8px 30px rgba(0,0,0,.5);z-index:9;max-width:90vw}
.wake span{display:block;font-size:12px;color:#aab1be;margin-top:2px}
.spinner{width:22px;height:22px;border-radius:50%;border:3px solid #3a4152;border-top-color:#8ab4ff;animation:spin .9s linear infinite;flex:none}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.spinner{animation-duration:3s}}