/* Shared look: dark purple with faint rings, bright purple-blue buttons. */
:root { --card: #170f2b; --border: #3a2a5c; --text: #f4f0ff; --muted: #b9acd9; --accent: #19d3c5; --btn: linear-gradient(90deg, #7a00ff, #3d1aff); }
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; color: var(--text); font: 16px system-ui, sans-serif;
  background:
    radial-gradient(circle at 0 0, transparent 0 160px, rgba(255,255,255,.05) 161px, transparent 163px, transparent 300px, rgba(255,255,255,.04) 301px, transparent 303px),
    radial-gradient(circle at 100% 70%, transparent 0 260px, rgba(255,255,255,.04) 261px, transparent 263px),
    linear-gradient(160deg, #2d0a7a, #160536 60%, #10032a) fixed;
}
a { color: var(--accent); }
.btn { display: block; width: 100%; border: 0; border-radius: 6px; padding: 13px; font: 700 13px system-ui; letter-spacing: .06em;
  text-transform: uppercase; text-align: center; text-decoration: none; color: #fff; background: var(--btn); cursor: pointer; }
.btn:hover { filter: brightness(1.15); }

header { position: sticky; top: 0; z-index: 2; display: flex; align-items: center; justify-content: space-between;
  padding: 22px max(16px, calc(50% - 570px)); background: rgba(26,6,64,.85); backdrop-filter: blur(6px); }
.logo { font-weight: 800; letter-spacing: .14em; font-size: 20px; color: var(--text); text-decoration: none; }
.logo span, h1 span { color: var(--accent); }
header nav a { color: var(--muted); font-size: 13px; text-decoration: none; margin-left: 18px; text-transform: uppercase; letter-spacing: .06em; }
header nav a:hover { color: var(--text); }
main { max-width: 1172px; margin: 0 auto; padding: 0 16px 80px; }
h1 { text-align: center; font-size: 44px; margin: 48px 0 8px; }
.sub { text-align: center; color: var(--muted); margin: 0 0 40px; }

#games { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.card { display: flex; flex-direction: column; gap: 12px; padding: 22px 24px; background: var(--card); border: 1px solid var(--border); border-radius: 16px; }
.top { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.top b { font-size: 22px; }
.tag { flex: none; font-size: 12px; padding: 3px 10px; border-radius: 999px; background: #7a00ff; color: #fff; }
.card p { margin: 0 0 6px; color: #ddd5f3; line-height: 1.45; flex: 1; }
#up { position: fixed; right: 24px; bottom: 24px; width: 44px; height: 44px; border-radius: 50%; border: 2px solid #7a00ff;
  background: none; color: #a46bff; font-size: 20px; cursor: pointer; display: none; }

.credits { max-width: 760px; margin: 0 auto; }
.credits li { margin: 0 0 14px; line-height: 1.5; color: #ddd5f3; }
@media (max-width: 420px) { h1 { font-size: 32px; } #games { grid-template-columns: 1fr; } header nav a { margin-left: 10px; } }