:root{--bg:#ffffff;--text:#1a1a1a;--muted:#444444;--accent:#0b5fff;--accent-dark:#063d9e;--ok:#0a8a3c;--warn-bg:#fff6e0;--warn-border:#e8b100;--card-bg:#f5f7fb;--card-border:#d6dceb;--radius:18px}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,segoe ui,Roboto,Helvetica,Arial,sans-serif;font-size:20px;line-height:1.55}.icon{width:1em;height:1em;display:inline-block;vertical-align:-.15em}a{color:var(--accent-dark)}a:focus,button:focus,.tile:focus{outline:4px solid var(--accent);outline-offset:3px}header.top{background:var(--accent);color:#fff;padding:22px 20px}header.top .wrap{max-width:780px;margin:0 auto;display:flex;align-items:center;gap:14px;flex-wrap:wrap}header.top h1{font-size:26px;margin:0;min-width:0;flex:1}header.top .back{color:#fff;text-decoration:none;display:inline-flex;align-items:center;gap:6px;font-size:20px;font-weight:600;background:rgba(255,255,255,.15);padding:10px 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