:root {
  --bg: #0f1724;
  --card: #16213a;
  --card2: #1d2b4a;
  --accent: #2fbf71;
  --accent2: #fdbb2d;
  --text: #eef2f7;
  --muted: #9fb0c9;
  --danger: #e15554;
  --radius: 14px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Arial, sans-serif;
  background: linear-gradient(160deg, #0f1724 0%, #1a2947 100%);
  color: var(--text);
  min-height: 100vh;
}
a { color: var(--accent2); text-decoration: none; }
.container { max-width: 1100px; margin: 0 auto; padding: 24px 16px 60px; }

.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 24px; background: rgba(0,0,0,0.25);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.topbar .brand { font-weight: 800; font-size: 1.2rem; color: var(--text); }
.topbar nav a { margin-left: 18px; color: var(--muted); font-weight: 600; }
.topbar nav a:hover { color: var(--text); }

.card {
  background: var(--card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 18px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 16px;
}
.game-card {
  background: var(--card2);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid rgba(255,255,255,0.07);
  transition: transform .15s ease, border-color .15s ease;
  display: flex; flex-direction: column; gap: 8px;
}
.game-card:hover { transform: translateY(-3px); border-color: var(--accent); }
.game-card .icon { font-size: 2rem; }
.game-card h3 { margin: 0; font-size: 1.05rem; }
.game-card .meta { color: var(--muted); font-size: .85rem; }
.game-card .play-btn {
  margin-top: auto; background: var(--accent); color: #06210f; font-weight: 700;
  text-align: center; padding: 10px; border-radius: 10px;
}
.game-card .play-btn:hover { filter: brightness(1.1); }
.game-card.inactive { opacity: .5; }

.btn {
  display: inline-block; background: var(--accent); color: #06210f;
  font-weight: 700; padding: 10px 18px; border-radius: 10px; border: none; cursor: pointer;
  font-size: .95rem;
}
.btn.secondary { background: var(--card2); color: var(--text); border: 1px solid rgba(255,255,255,0.15); }
.btn.danger { background: var(--danger); color: #fff; }
.btn:hover { filter: brightness(1.08); }

form.form input[type=text], form.form input[type=password], form.form input[type=number],
form.form select, form.form textarea {
  width: 100%; padding: 10px 12px; margin: 6px 0 14px; border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.15); background: #0d1626; color: var(--text); font-size: .95rem;
}
form.form label { font-weight: 600; color: var(--muted); font-size: .85rem; }

table { width: 100%; border-collapse: collapse; }
table th, table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid rgba(255,255,255,0.08); font-size: .9rem; }
table th { color: var(--muted); font-weight: 700; text-transform: uppercase; font-size: .75rem; }
table tr:hover { background: rgba(255,255,255,0.03); }

.badge {
  display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: .75rem; font-weight: 700;
  background: rgba(47,191,113,0.15); color: var(--accent);
}
.badge.muted { background: rgba(159,176,201,0.15); color: var(--muted); }

.alert { padding: 12px 16px; border-radius: 10px; margin-bottom: 16px; font-weight: 600; }
.alert.success { background: rgba(47,191,113,0.15); color: var(--accent); }
.alert.error { background: rgba(225,85,84,0.15); color: var(--danger); }

.auth-wrap { max-width: 400px; margin: 60px auto; }
.auth-wrap h1 { text-align: center; font-size: 1.4rem; }

.leaderboard-row.me { background: rgba(253,187,45,0.12); }
.rank { font-weight: 800; width: 30px; display: inline-block; }
.rank.gold { color: #fdbb2d; }
.rank.silver { color: #c9d3e0; }
.rank.bronze { color: #cd8a5c; }