:root{--bg: #f6f5f1;--card: #ffffff;--text: #1c1b19;--muted: #6b675f;--line: #e4e1d9;--good: #1f7a4d;--warn: #b7791f;--bad: #c0392b;--accent: #1d4ed8;color-scheme:light dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif}@media(prefers-color-scheme:dark){:root{--bg: #14130f;--card: #1f1d18;--text: #f2efe6;--muted: #a39e92;--line: #34312a;--good: #4ade80;--warn: #fbbf24;--bad: #f87171;--accent: #93c5fd}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}main{max-width:560px;margin:0 auto;padding:16px;display:grid;gap:12px}header h1{margin:0;font-size:28px}header p{margin:4px 0 0;color:var(--muted)}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px}.card h2{margin:0 0 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