:root{--paper: #fbf6e9;--ink: #2b2117;--muted: #7a6f5a;--line: #e8dcc0;--green: #2e7d4a;--amber: #e8a838;--coral: #e76a5e;--nav: #2b2117;--radius: 18px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,sans-serif;color:var(--ink);background:linear-gradient(180deg,#fbf6e9,#f6efd9);min-height:100vh}button{border:0;border-radius:999px;padding:12px 18px;font-weight:800;cursor:pointer;background:var(--ink);color:#fbf6e9}button.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}.pill{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:700;background:#fff7dc;border:1px solid var(--line)}.pwa-pills{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}.pwa-pills .pill#pwa-install{color:var(--green)}.header{position:sticky;top:0;z-index:10;background:#fbf6e9e6;border-bottom:1px solid var(--line);padding:14px 16px;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.header h1{margin:0;font-size:18px}.header .sub{color:var(--muted);font-size:12px;margin-top:2px}.header .row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.main{max-width:880px;margin:0 auto;padding:18px 16px 40px}.card{background:#fffdf5;border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:14px;box-shadow:0 2px 8px #2b21170f}.card h2{margin:0 0 10px;font-size:18px}.card h3{margin:14px 0 8px;font-size:14px}.muted{color:var(--muted);font-size:13px}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}.tabs button{padding:10px 16px;font-size:13px}.tabs button.active{background:var(--ink);color:#fbf6e9}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:8px;border-bottom:1px solid var(--line)}th{color:var(--muted);font-weight:700}.err{color:var(--coral);font-size:12px;margin-top:8px;min-height:16px}.hero{margin:6px 0 10px;font-size:13px;line-height:1.5}.hero strong{color:var(--ink)}.links a{color:var(--green);text-decoration:underline}.links li{margin-bottom:6px}