:root{--bg: #fff8f0;--card: #ffffff;--ink: #3b3355;--soft: #665e80;--line: #e6dcef;--accent: #ff8fab;--good: #6cc68a;--bad: #ef6f6c;--key: #efe7f7;--radius: 14px;font-family:ui-rounded,SF Pro Rounded,Nunito,Segoe UI,system-ui,sans-serif}:root[data-theme=dark]{--bg: #1e1a2b;--card: #2a2540;--ink: #ece6fa;--soft: #a69fc0;--line: #3d3657;--key: #3a3352;color-scheme:dark}*{box-sizing:border-box}body{margin:0 auto;max-width:560px;background:var(--bg);color:var(--ink);line-height:1.45;-webkit-tap-highlight-color:transparent}button{font-family:inherit;touch-action:manipulation;color:inherit}a{color:var(--ink)}.hidden{display:none!important}.center{text-align:center}header{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:10px 16px;border-bottom:2px solid var(--line)}header h1{margin:0;font-size:1.8rem;color:var(--accent);letter-spacing:.04em}header 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