:root{--ink: #1d1d1b;--ink-70: rgba(29, 29, 27, .7);--ink-45: rgba(29, 29, 27, .65);--ink-15: rgba(29, 29, 27, .15);--accent: #c51a1b;--paper: #f5f2ed;--surface: #ffffff;--line: #e2ddd4;--radius: 2px;--shadow-sm: 0 1px 2px rgba(29, 29, 27, .06);--shadow-md: 0 8px 30px rgba(29, 29, 27, .1);--panel-w: 384px;--rail-w: 56px;--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;--track: .08em}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--font);font-weight:400;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;overscroll-behavior:none}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer;border:none;background:none;padding:0}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:2px}input[type=range]:focus-visible{outline-offset:6px}.app{display:grid;grid-template-columns:1fr var(--panel-w);height:100%;position:relative}.app.panel-collapsed{grid-template-columns:1fr 0}.stage{position:relative;min-width:0;background:linear-gradient(180deg,#f9f7f4,#eae5dc)}.stage canvas{display:block;touch-action:none}.brandbar{position:absolute;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 26px;pointer-events:none;z-index:5}.brandbar img{height:22px;pointer-events:auto}.brandbar .meta{font-size:10px;letter-spacing:var(--track);text-transform:uppercase;color:var(--ink-45);text-align:right;line-height:1.7;pointer-events:auto}.brandbar .meta strong{font-weight:500;color:var(--ink)}.rail{position:absolute;left:22px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:6px;z-index:6;background:#ffffffd1;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--line);border-radius:999px;padding:8px 6px;box-shadow:var(--shadow-sm)}.rail 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18px}.loading{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-45);pointer-events:none;animation:fade .3s ease}.toast-region{position:fixed;left:0;right:0;bottom:0;z-index:40;pointer-events:none}.dim-label{font-size:11px;letter-spacing:.04em;color:var(--ink);background:#ffffffd9;padding:2px 6px;border-radius:1px;white-space:nowrap;font-variant-numeric:tabular-nums;-webkit-user-select:none;user-select:none}.panel-toggle{position:absolute;right:22px;bottom:22px;z-index:8;background:var(--ink);color:#fff;border-radius:999px;padding:12px 18px;font-size:10px;letter-spacing:.12em;text-transform:uppercase;box-shadow:var(--shadow-md)}@media (max-width: 900px){.app,.app.panel-collapsed{grid-template-columns:1fr;grid-template-rows:46vh 1fr}.panel{border-left:none;border-top:1px solid var(--line)}.rail{left:8px;right:8px;top:auto;bottom:10px;transform:none;flex-direction:row;padding:6px 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