:root{--text: #1a1a1a;--muted: #6b7280;--accent: #0d7377;--bg: #ffffff}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);display:grid;place-items:center;min-height:100vh}main{max-width:34rem;padding:2rem;border:1px solid #e5e7eb;border-radius:8px;box-shadow:0 1px 3px #0000000f}h1{margin:0 0 .5rem;font-size:2rem;color:var(--accent)}.meta{color:var(--muted);font-size:.875rem}