:root {
  --bg: #0f1120;
  --bg-soft: #171a2e;
  --card: #1d2140;
  --accent: #7c5cff;
  --accent-2: #22d3ee;
  --text: #f1f2fb;
  --text-dim: #9ca0c2;
  --success: #4ade80;
  --danger: #f87171;
  --radius: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", system-ui, Arial, sans-serif;
  background: radial-gradient(circle at top, var(--bg-soft), var(--bg) 60%);
  color: var(--text);
}

a { color: inherit; text-decoration: none; }

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  background: rgba(23, 26, 46, 0.8);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand span {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-links {
  display: flex;
  gap: 22px;
  font-weight: 600;
  color: var(--text-dim);
}

.nav-links a:hover { color: var(--text); }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.hero {
  text-align: center;
  margin-bottom: 48px;
}

.hero h1 {
  font-size: 2.4rem;
  margin-bottom: 10px;
}

.hero p {
  color: var(--text-dim);
  font-size: 1.05rem;
}

.game-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 22px;
}

.game-card {
  background: linear-gradient(160deg, var(--card), rgba(29, 33, 64, 0.5));
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius);
  padding: 28px 22px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.game-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: 0 12px 30px rgba(124, 92, 255, 0.25);
}

.game-card .icon {
  font-size: 2.4rem;
}

.game-card h3 {
  margin: 0;
  font-size: 1.2rem;
}

.game-card p {
  color: var(--text-dim);
  font-size: 0.92rem;
  margin: 0;
  flex-grow: 1;
}

.play-btn {
  align-self: flex-start;
  margin-top: 6px;
  padding: 8px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0c0c14;
  font-weight: 700;
  font-size: 0.85rem;
}

.footer {
  text-align: center;
  padding: 24px;
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* Game page layout */
.game-page {
  max-width: 620px;
  margin: 0 auto;
  padding: 32px 20px 60px;
  text-align: center;
}

.game-page h1 {
  margin-bottom: 4px;
}

.game-page .subtitle {
  color: var(--text-dim);
  margin-bottom: 24px;
}

.back-link {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--accent-2);
  font-weight: 600;
}

.panel {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius);
  padding: 26px;
  margin-top: 10px;
}

.scoreboard {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 18px;
  font-weight: 700;
}

.scoreboard .stat {
  background: rgba(255, 255, 255, 0.05);
  padding: 8px 18px;
  border-radius: 10px;
  font-size: 0.95rem;
}

.btn {
  padding: 10px 22px;
  border-radius: 10px;
  border: none;
  font-weight: 700;
  cursor: pointer;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0c0c14;
  font-size: 0.95rem;
}

.btn:hover { filter: brightness(1.08); }

.btn.secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.status-msg {
  min-height: 26px;
  font-weight: 700;
  margin: 12px 0;
  color: var(--accent-2);
}

.controls-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 16px;
  flex-wrap: wrap;
}