:root{--bg:#f1f1fa;--card:#fff;--ink:#15141f;--ink-soft:#6d6c7e;--line:#e7e6f1;--purple:#6f5af5;--purple-soft:#eeeafe;--orange:#f0973f;--orange-soft:#fceedd;--red:#e4574c;--yellow:#f0c239;--green:#3fb673;--blue:#4c82f7;--brown:#8b5a2b;--gray-swatch:#9ca0ae;--white-bar:#dedcec;--black-swatch:#15141f;--error:#c24b3f;--error-bg:#fbeae6;--focus:#6f5af5;--shadow:0 1px 2px #15141f0d, 0 14px 30px -16px #15141f38;--radius-lg:22px;--radius-md:14px;--radius-sm:10px;box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#131220;--card:#1c1b2a;--ink:#eeedf8;--ink-soft:#9c9ab3;--line:#312f45;--purple-soft:#2a2450;--orange-soft:#3a2a18;--error-bg:#3a2019;--white-bar:#3a3852;--shadow:0 1px 2px #0006, 0 14px 30px -16px #0009}}:root[data-theme=dark]{--bg:#131220;--card:#1c1b2a;--ink:#eeedf8;--ink-soft:#9c9ab3;--line:#312f45;--purple-soft:#2a2450;--orange-soft:#3a2a18;--error-bg:#3a2019;--white-bar:#3a3852;--shadow:0 1px 2px #0006, 0 14px 30px -16px #0009}*{box-sizing:border-box}html{scroll-padding-top:env(safe-area-inset-top,0px)}body{background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;line-height:1.5}h1,h2,.display{font-family:Fraunces,Georgia,serif}.numeral{font-variant-numeric:tabular-nums}button,select,input{font-family:inherit}.page-wrap{max-width:1180px;margin:0 auto;padding:0 20px 48px}@media (min-width:768px){.page-wrap{padding:0 32px 64px}}.topbar{top:var(--header-h,68px);z-index:30;background:color-mix(in srgb, var(--bg) 85%, transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:16px 0 10px;position:sticky}.tool-switch{background:var(--card);border:1px solid 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#14141e26;border-radius:50%;flex-shrink:0;width:15px;height:15px}.room-foot{color:var(--ink-soft);justify-content:flex-end;align-items:center;gap:7px;margin-top:12px;font-size:.78rem;display:flex}.room-foot svg{flex-shrink:0;width:14px;height:14px}@media (max-width:640px){.room-stage{aspect-ratio:16/10}.room-plate{width:auto;height:100%}.room-controls{width:100%}.room-pill-group{flex:1}.room-pill{text-align:center;flex:1;padding:8px 10px}}@media (prefers-reduced-motion:reduce){.room-pill{transition:none}}.site-header{z-index:50;background:color-mix(in srgb,var(--bg) 94%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);position:sticky;top:0}:root{--header-h:68px}@media (max-width:700px){:root{--header-h:58px}}.site-nav{justify-content:space-between;align-items:center;gap:20px;max-width:1180px;margin:auto;padding:12px 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