:root{--bg: #f5f7fb;--panel: #ffffff;--text: #0f172a;--muted: #64748b;--border: #e2e8f0;--accent: #2563eb;--accent-hover: #1d4ed8;--danger: #dc2626;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg)}*{box-sizing:border-box}html,body,#root{height:100%}body{padding:0;min-height:100vh}.app{display:flex;flex-direction:column;min-height:100vh;gap:0}.topbar{display:flex;align-items:center;padding:16px 24px;background:var(--panel);border-bottom:1px solid var(--border)}.brand{display:flex;align-items:baseline;gap:10px}.dot{width:12px;height:12px;border-radius:50%;background:var(--accent);align-self:center}.brand-name{font-size:20px;font-weight:700;letter-spacing:-.02em}.brand-sub{font-size:13px;color:var(--muted)}.layout{display:grid;grid-template-columns:340px 1fr;gap:20px;padding:20px;flex:1;min-height:0}@media(max-width:860px){.layout{grid-template-columns:1fr}}.panel{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:20px}.controls{display:flex;flex-direction:column;gap:18px;align-self:start}.dropzone{display:flex;align-items:center;justify-content:center;border:2px dashed var(--border);border-radius:12px;padding:16px;min-height:150px;cursor:pointer;background:#fafbff;transition:border-color .15s ease}.dropzone:hover{border-color:var(--accent)}.dropzone-empty{display:flex;flex-direction:column;align-items:center;gap:4px;color:var(--muted);font-size:14px}.dropzone-empty strong{color:var(--text);font-size:15px}.thumb{max-width:100%;max-height:220px;border-radius:8px;object-fit:contain}.field{display:flex;flex-direction:column;gap:8px}.field-row{display:flex;justify-content:space-between;align-items:baseline}.field-label{font-size:14px;font-weight:500}.field-value{font-size:13px;color:var(--accent);font-variant-numeric:tabular-nums;font-weight:600}input[type=range]{width:100%;accent-color:var(--accent)}.toggles{display:flex;flex-direction:column;gap:10px}.toggle{display:flex;align-items:center;gap:8px;font-size:14px;cursor:pointer}.toggle input{accent-color:var(--accent);width:16px;height:16px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 16px;border-radius:10px;border:1px solid var(--border);background:var(--panel);color:var(--text);font-size:14px;font-weight:600;cursor:pointer;transition:background .15s ease,border-color .15s ease}.btn:hover:not(:disabled){border-color:var(--accent)}.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn.primary:hover:not(:disabled){background:var(--accent-hover)}.btn:disabled{opacity:.5;cursor:not-allowed}.error{padding:10px 12px;border-radius:8px;background:#fef2f2;color:var(--danger);font-size:13px;border:1px solid #fecaca}.stage{display:flex;flex-direction:column;gap:16px;min-height:0}.viewer-wrap{position:relative;flex:1;min-height:420px;border-radius:12px;overflow:hidden;background:#0f1420}.viewer{width:100%;height:100%}.viewer canvas{display:block}.viewer-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#94a3b8;font-size:15px;pointer-events:none}.stale-badge{position:absolute;top:12px;left:12px;padding:6px 10px;border-radius:8px;background:#2563ebe6;color:#fff;font-size:12px;font-weight:600}.results{display:flex;flex-direction:column;gap:16px}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}.stat{display:flex;flex-direction:column;gap:2px;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:#fafbff}.stat-k{font-size:12px;color:var(--muted)}.stat-v{font-size:15px;font-weight:600;font-variant-numeric:tabular-nums}.downloads{display:flex;gap:12px}.downloads .btn{flex:1}