:root {
  --bg: #0b1020;
  --bg-2: #121a33;
  --panel: #161f3d;
  --line: #27335c;
  --text: #e8ecf8;
  --muted: #a3adc9;
  --gold: #f5b73b;
  --gold-2: #ffd77a;
  --link: #ffcf66;
  --danger: #ff7b86;
  --ok: #6fdc8c;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 600px at 50% -200px, #1b2750 0%, var(--bg) 70%) no-repeat, var(--bg);
  background-color: var(--bg);
  line-height: 1.6;
}
a { color: var(--link); }
a:hover { color: var(--gold-2); }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 16px; }
.site-header { border-bottom: 1px solid var(--line); background: rgba(11, 16, 32, 0.85); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 12px; padding-bottom: 12px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; letter-spacing: 0.04em; }
.brand img { width: 36px; height: 36px; border-radius: 8px; }
.lang { font-size: 0.9rem; color: var(--muted); }
.lang a { text-decoration: none; padding: 2px 6px; border-radius: 4px; }
.lang a[aria-current="true"] { color: #1a1300; background: var(--gold); font-weight: 700; }
main { padding: 32px 0 56px; }

/* landing */
.hero { text-align: center; }
.hero img.feature { width: 100%; max-width: 760px; height: auto; border-radius: 14px; border: 1px solid var(--line); box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45); }
.hero h1 { font-size: clamp(2rem, 6vw, 3rem); margin: 24px 0 8px; color: var(--gold); letter-spacing: 0.06em; }
.hero .tagline { font-size: 1.15rem; color: var(--muted); max-width: 40rem; margin: 0 auto 24px; }
.cta { display: inline-block; padding: 12px 22px; border-radius: 10px; font-weight: 700; text-decoration: none; }
.cta.play { color: #1a1300; background: var(--gold); }
.cta.play:hover { background: var(--gold-2); color: #1a1300; }
.cta.soon { color: var(--muted); background: var(--panel); border: 1px dashed var(--line); font-weight: 600; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin: 40px 0 0; padding: 0; list-style: none; }
.features li { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; }
.features h2 { margin: 0 0 6px; font-size: 1.05rem; color: var(--gold); }
.features p { margin: 0; color: var(--muted); font-size: 0.97rem; }
.note { text-align: center; color: var(--muted); font-size: 0.9rem; margin-top: 32px; }

/* document pages */
.doc { max-width: 760px; margin: 0 auto; font-size: 1.02rem; line-height: 1.7; overflow-wrap: break-word; }
.doc h1 { color: var(--gold); font-size: 2rem; line-height: 1.25; }
.doc h2 { margin-top: 2.2em; padding-top: 0.4em; border-top: 1px solid var(--line); font-size: 1.4rem; }
.doc h3 { margin-top: 1.6em; font-size: 1.15rem; }
.doc code { background: var(--panel); padding: 1px 5px; border-radius: 4px; font-size: 0.92em; }
.doc blockquote { margin: 1em 0; padding: 0.2em 1em; border-left: 3px solid var(--gold); color: var(--muted); background: var(--bg-2); }
.doc table { display: block; max-width: 100%; overflow-x: auto; border-collapse: collapse; margin: 1em 0; }
.doc th, .doc td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
.doc th { background: var(--panel); }
.doc hr { border: 0; border-top: 1px solid var(--line); margin: 2em 0; }
.doc img { max-width: 100%; height: auto; }

/* standalone card pages (reset / verified / verify-failed) */
.card { max-width: 480px; margin: 56px auto; padding: 28px 24px; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; text-align: center; }
.card h1 { margin: 12px 0 8px; font-size: 1.6rem; color: var(--gold); letter-spacing: 0.05em; }
.card img.logo { width: 72px; height: 72px; border-radius: 16px; }
.card p { margin: 8px 0; }
.card form { text-align: left; margin-top: 24px; }
.card label { display: block; font-weight: 600; margin: 16px 0 4px; font-size: 0.95rem; }
.card input[type="password"] { width: 100%; font-size: 1rem; padding: 10px 12px; color: var(--text); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; }
.card input[type="password"]:focus { outline: 2px solid var(--gold); border-color: var(--gold); }
.card button { display: block; width: 100%; margin-top: 24px; padding: 12px 16px; font-size: 1rem; font-weight: 700; color: #1a1300; background: var(--gold); border: 0; border-radius: 10px; cursor: pointer; }
.card button:disabled { background: #6b6a63; cursor: default; }
.card #message { margin-top: 20px; }
.card #message.error { color: var(--danger); }
.card #message.success { color: var(--ok); }
[hidden] { display: none !important; }

.site-footer { border-top: 1px solid var(--line); padding: 24px 0 40px; color: var(--muted); font-size: 0.92rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: center; }