:root{--ink: #141a1f;--paper: #f7f8f6;--card: #ffffff;--line: #d7dce0;--muted: #5c6b73;--accent: #0f766e;--signal: #c2410c;--radius: 12px;--mono: "IBM Plex Mono", ui-monospace, monospace;--body: "Inter", system-ui, sans-serif;--display: "Space Grotesk", var(--body)}*{box-sizing:border-box}html,body{margin:0;height:100%}body{font-family:var(--body);color:var(--ink);background:var(--paper)}button{font-family:inherit;cursor:pointer}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.builder{display:grid;grid-template-columns:minmax(340px,460px) 1fr;min-height:100vh}.builder__panel{background:var(--card);border-right:1px solid var(--line);padding:22px;overflow-y:auto;max-height:100vh}.brandline{display:flex;gap:12px;align-items:center;margin-bottom:22px}.seal{width:38px;height:38px;flex:none;display:grid;place-items:center;border-radius:50%;background:var(--accent);color:#fff;font-weight:700;box-shadow:0 0 0 4px #0f766e26}.brandline 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