@layer theme{:root,:host{--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color 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components;@layer utilities{.visible{visibility:visible}.fixed{position:fixed}.hidden{display:none}}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--ink:#17343b;--muted:#5b6f73;--line:#cfdadd;--paper:#f4f8f8;--white:#fff;--teal:#006f76;--teal-dark:#07565b;--teal-soft:#e4f3f1;--blue:#2f66b0;--blue-soft:#edf4ff;--orange:#b74f22;--orange-soft:#fff0e7;--yellow:#efbd4a;--green:#16734b;--green-soft:#e9f6ef;--red:#b42318;--red-soft:#fff0ef}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--paper);color:var(--ink);text-rendering:optimizelegibility;margin:0;font-family:Arial,Helvetica,sans-serif;overflow-x:hidden}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}button:focus-visible,a:focus-visible{outline:3px solid var(--yellow);outline-offset:3px}.studio-shell{background:var(--paper);min-height:100vh}.studio-header,.studio-band{width:min(1180px,100% - 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minmax(260px,1fr);align-items:center;gap:24px;padding:24px;display:grid}.fixed-label{background:var(--teal-dark);color:var(--white);text-transform:uppercase;border-radius:4px;padding:4px 8px;font-size:.7rem;font-weight:800;display:inline-block}.body-code{overflow-wrap:anywhere;margin:10px 0 0;font-family:Courier New,monospace;font-size:.9rem;font-weight:800}.body-equation{background:var(--white);color:var(--teal-dark);text-align:center;border:1px solid #95c5c1;border-radius:8px;padding:15px 18px;font-family:Georgia,serif;font-size:1.55rem;font-weight:700}.body-rule{color:#395b60;margin:0;font-size:.93rem;line-height:1.55}.layer-picker{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-bottom:20px;display:grid}.layer-picker button{border-color:var(--line);background:var(--white);padding:12px 14px}.layer-picker button:hover{background:#f5fbfa;border-color:#7db7b5}.layer-picker button[aria-pressed=true]{border-color:var(--teal);background:var(--teal-soft);color:var(--teal-dark);box-shadow:inset 0 -3px 0 var(--teal)}.live-notice,.repair-callout{background:#fff8e6;border:1px solid #d8b169;border-radius:8px;justify-content:space-between;align-items:center;gap:20px;margin-bottom:20px;padding:16px 18px;display:flex}.live-notice strong,.repair-callout strong{font-size:.9rem}.live-notice p,.repair-callout p{color:#66522a;margin:4px 0 0;font-size:.84rem;line-height:1.5}.text-button{min-height:40px;color:var(--teal-dark);background:0 0;border:0;border-bottom:2px solid;flex:none;font-size:.84rem;font-weight:800}.sample-frame{border:1px solid var(--line);background:var(--white);border-radius:8px;grid-template-columns:minmax(0,1.05fr) minmax(380px,.95fr);align-items:stretch;gap:28px;padding:24px;display:grid}.sample-copy{min-width:0}.sample-meta{flex-wrap:wrap;gap:6px;display:flex}.sample-meta 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16px}.criterion-result>div{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.criterion-result h3{margin:2px 0 0;font-size:.9rem;line-height:1.35}.criterion-result p{overflow-wrap:anywhere;color:var(--muted);margin:8px 0 0;font-size:.78rem;line-height:1.5}.status-badge{border:1px solid;border-radius:999px;flex:none;padding:4px 7px;font-size:.64rem;font-weight:900;line-height:1.1}.status-pass{background:var(--green-soft);color:var(--green);border-color:#a7d7bf}.status-caution{color:#8a4b08;background:#fff6df;border-color:#e6b17e}.status-fail{background:var(--red-soft);color:var(--red);border-color:#e5aaa5}.status-neutral{border-color:var(--line);color:#55696d;background:#edf2f3}@media (max-width:900px){.studio-header{grid-template-columns:1fr}.mode-control{width:min(100%,420px)}.body-signal,.sample-frame{grid-template-columns:1fr}.body-signal{gap:16px}.body-rule{max-width:560px}.sample-frame{gap:20px}.layer-canvas{min-height:230px}}@media 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