:root{color-scheme:dark;--accent: #e0a85a;--panel: #14110c;--panel-2: #211a10;--line: #3a2e1c;--text: #efe7d8;--muted: #b09b78;--bad: #ff6b6b;--good: #7CFFB2}*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:radial-gradient(1100px 700px at 30% -10%,#2a2012,#0b0906 60%),#0b0906;color:var(--text);font-family:ui-sans-serif,system-ui,Segoe UI,Roboto,sans-serif;display:flex;justify-content:center;align-items:center;min-height:100vh;padding:16px}.ch-root{display:flex;gap:16px;align-items:stretch;max-width:1060px;width:100%}.ch-stage{position:relative;flex:0 0 auto}canvas{display:block;width:min(70vh,560px);height:auto;aspect-ratio:1;background:#1a140b;border:1px solid var(--line);border-radius:10px;box-shadow:0 12px 40px #00000080;cursor:pointer;touch-action:none}.ch-panel{flex:1 1 auto;min-width:280px;max-width:380px;background:linear-gradient(180deg,var(--panel) 0%,#070502 100%);border:1px solid var(--line);border-radius:10px;padding:15px;display:flex;flex-direction:column;gap:11px;max-height:calc(100vh - 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