:root{--bg: #0b0d12;--panel: rgba(16, 20, 28, .92);--panelBorder: rgba(255, 255, 255, .08);--text: rgba(255, 255, 255, .92);--muted: rgba(255, 255, 255, .65);--accent: #3b82f6;--shadow: 0 12px 48px rgba(0, 0, 0, .45)}*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial}.app{width:100%;height:100vh;display:flex}.viewer{position:relative;flex:1;min-width:0}.canvasHost{position:absolute;top:0;right:0;bottom:0;left:0}.topHint{position:absolute;left:16px;bottom:16px;padding:10px 12px;border-radius:12px;background:#00000073;border:1px solid rgba(255,255,255,.1);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:var(--shadow);font-size:13px;line-height:1.35;max-width:460px}.panel{width:360px;max-width:92vw;border-left:1px solid var(--panelBorder);background:var(--panel);box-shadow:-12px 0 48px #00000059;overflow:auto}.panelHeader{position:sticky;top:0;padding:14px 14px 10px;background:linear-gradient(to bottom,#10141cfa,#10141cd9);border-bottom:1px solid rgba(255,255,255,.08);z-index:2}.title{font-weight:700;font-size:14px}.sub{margin-top:4px;color:var(--muted);font-size:12px}.section{border-bottom:1px solid rgba(255,255,255,.07)}.section summary{cursor:pointer;list-style:none;padding:12px 14px;font-weight:650;font-size:13px;display:flex;align-items:center;justify-content:space-between}.section summary::-webkit-details-marker{display:none}.sectionBody{padding:8px 14px 14px}.row{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center;padding:8px 0}.label{display:inline-flex;align-items:center;gap:8px;color:var(--text);font-size:12.5px}.control{display:inline-flex;align-items:center;gap:10px}input[type=range]{width:160px}input[type=color]{width:30px;height:22px;padding:0;border:none;background:transparent}button{border:1px solid rgba(255,255,255,.1);background:#ffffff0f;color:var(--text);border-radius:10px;padding:8px 10px;cursor:pointer}button:hover{background:#ffffff1a}button:active{transform:translateY(1px)}.smallBtn{padding:6px 8px;font-size:12px}.inlineNote{font-size:11.5px;color:var(--muted);margin-top:6px;line-height:1.4}.card{border:1px solid rgba(255,255,255,.1);background:#00000038;border-radius:12px;padding:10px;font-size:12px;line-height:1.35;color:var(--muted)}input[type=text],textarea,select{border:1px solid rgba(255,255,255,.12);background:#ffffff0f;color:var(--text);border-radius:10px;padding:8px 10px;outline:none}input[type=text]::placeholder,textarea::placeholder{color:#ffffff73}select:disabled,input:disabled,textarea:disabled{opacity:.6}.infoWrap{position:relative;display:inline-flex;align-items:center}.infoIcon{width:18px;height:18px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;line-height:1;color:#ffffffd9;border:1px solid rgba(255,255,255,.14);background:#ffffff0f;cursor:help;-webkit-user-select:none;user-select:none}.tooltip{position:absolute;left:26px;top:-6px;min-width:220px;max-width:280px;padding:10px;border-radius:12px;background:#000000c7;border:1px solid rgba(255,255,255,.12);color:#ffffffeb;font-size:12px;line-height:1.35;box-shadow:var(--shadow);opacity:0;transform:translateY(4px);pointer-events:none;transition:opacity .14s ease,transform .14s ease;z-index:10}.infoWrap:hover .tooltip,.infoWrap:focus-within .tooltip{opacity:1;transform:translateY(0)}.dropOverlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#3b82f61a;border:2px dashed rgba(59,130,246,.55);border-radius:18px;margin:14px;display:flex;align-items:center;justify-content:center;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);pointer-events:none}.dropOverlay .inner{padding:14px 16px;border-radius:14px;background:#0000008c;border:1px solid rgba(255,255,255,.1);box-shadow:var(--shadow);text-align:center;font-size:13px;line-height:1.4}