:root{--bg: #f4f4f1;--panel: #ffffff;--line: #e1e1db;--fg: #1c1c1a;--muted: #6b6b65;--accent: #1f6feb;--danger: #c4372b;--warn: #9a6700;--radius: 10px;color-scheme:light}@media (prefers-color-scheme: dark){:root{--bg: #141413;--panel: #1e1e1c;--line: #34342f;--fg: #ececea;--muted: #9b9b95;--accent: #58a6ff;--danger: #ff7b72;--warn: #d29922;color-scheme:dark}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:14px/1.45 system-ui,sans-serif}button,select,input{font:inherit;color:inherit}button,select{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:6px 10px;cursor:pointer}button:disabled{opacity:.5;cursor:default}.app{display:grid;grid-template-rows:auto 1fr;min-height:100vh}.header{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:10px 16px;border-bottom:1px solid var(--line);background:var(--panel)}.header h1{font-size:16px;margin:0 12px 0 0}.header .spacer{flex:1}.main{display:grid;grid-template-columns:220px minmax(0,1fr) 300px;gap:16px;padding:16px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:12px;min-width:0}.panel h2{font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:0 0 8px}.drivers button{display:block;width:100%;text-align:left;margin-bottom:4px}.drivers button[aria-pressed=true]{border-color:var(--accent)}.tabs{display:flex;gap:6px;margin-bottom:10px}.tabs button[aria-selected=true]{border-color:var(--accent)}.stage{position:relative;width:min(100%,560px);aspect-ratio:1;margin:0 auto;border-radius:var(--radius)}.stage.white{background:#fff}.stage svg{position:absolute;inset:0;width:100%;height:100%}.stage .hit path{stroke:transparent;fill:none;pointer-events:stroke;cursor:pointer}.stage .hit path:hover{stroke:color-mix(in srgb,var(--accent) 35%,transparent)}.small{display:flex;align-items:center;justify-content:center;width:96px;height:96px;margin:0 auto;border-radius:var(--radius)}.small .icon64{width:64px;height:64px}.small .icon64 svg{width:64px;height:64px}.field{margin-bottom:12px}.field label,.field-head{color:var(--muted);font-size:12px}.field-head{display:flex;justify-content:space-between}.field input[type=range]{width:100%}.list{list-style:none;padding:0;margin:0}.list li{display:flex;justify-content:space-between;gap:8px;padding:2px 0;word-break:break-all}.notice{border-radius:8px;padding:8px 10px;margin-bottom:8px;border:1px solid var(--line)}.notice.error{border-color:var(--danger);color:var(--danger)}.notice.warning{border-color:var(--warn)}.muted{color:var(--muted)}.main.editor{grid-template-columns:260px minmax(0,1fr) 320px}.main.editor>.panel{max-height:calc(100vh - 90px);overflow:auto}@media (max-width: 900px){.main,.main.editor{grid-template-columns:1fr}.main.editor>.panel{max-height:none}}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.num input{width:5.5em;padding:4px 6px;border:1px solid var(--line);border-radius:6px;background:var(--panel)}.num input[aria-invalid=true],textarea[aria-invalid=true]{border-color:var(--danger)}.vec{display:inline-flex;gap:4px}.points{display:grid;gap:4px}.point-row{display:flex;gap:6px;align-items:center}.point-row textarea{width:100%;font:12px ui-monospace,monospace}.field-error{color:var(--danger);font-size:12px;margin:4px 0 0}.list-buttons{display:grid;gap:4px;margin-bottom:8px}.list-buttons button{text-align:left}.list-buttons button[aria-pressed=true]{border-color:var(--accent)}.row-buttons{display:flex;flex-wrap:wrap;gap:4px;margin-top:8px}.inspector .field input:not([type]){width:100%;padding:4px 6px;border:1px solid var(--line);border-radius:6px;background:var(--panel)}.viewport{position:relative;width:100%;aspect-ratio:4 / 3;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);touch-action:none}.viewport canvas{display:block;width:100%;height:100%}.viewport-tools{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}.viewport-tools button[aria-pressed=true]{border-color:var(--accent)}.refs-list li{align-items:center}.ref-thumb{width:48px;height:48px;object-fit:cover;border-radius:6px;background:#fff;display:inline-flex;align-items:center;justify-content:center}.upload{display:inline-flex;gap:8px;align-items:center;margin-top:8px}.sheet{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px}.sheet-tile{display:grid;gap:6px;justify-items:center;padding:10px;border-radius:var(--radius);color:#fff}.sheet-icon{width:80px;height:80px}.sheet-icon svg{width:80px;height:80px}.sheet-label{font-size:12px;word-break:break-all}.dialog-backdrop{position:fixed;inset:0;background:#0006;display:flex;align-items:center;justify-content:center;padding:16px;z-index:20}.dialog{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px 20px;max-width:480px;width:100%}.dialog h2{margin:0 0 8px;font-size:16px}.dialog a{word-break:break-all;color:var(--accent)}.dialog [role=alert]{color:var(--danger)}.dialog .row-buttons{display:flex;gap:8px}