* {
  box-sizing: border-box;
}

:root {
  /* Dark palette extracted from logo */
  --zenith-blue: #1a4fa9;
  --zenith-blue-dark: #0a1f52;
  --zenith-purple: #5b2f8d;
  --zenith-red: #f0f0f0;
  --zenith-bg: #070b14;
  --zenith-surface: #0f1728;
  --zenith-surface-2: #16223a;
  --zenith-text: #e8efff;
  --zenith-muted: #9eb0d7;
  --zenith-border: #2b3f67;

  /* Light palette extracted from logo (ready to use) */
  --zenith-light-blue: #4d7dde;
  --zenith-light-purple: #8b68cf;
  --zenith-light-red: #ffffff;
  --zenith-light-bg: #f4f7ff;
  --zenith-light-surface: #ffffff;
  --zenith-light-text: #1d2d50;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background:
    radial-gradient(circle at 15% 20%, rgba(26, 79, 169, 0.28), transparent 35%),
    radial-gradient(circle at 85% 5%, rgba(198, 49, 73, 0.2), transparent 35%),
    radial-gradient(circle at 50% 90%, rgba(91, 47, 141, 0.24), transparent 40%),
    linear-gradient(180deg, #070b14 0%, #0c1220 100%);
  color: var(--zenith-text);
  min-height: 100vh;
}

.site-bg-game {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  z-index: -3;
  pointer-events: none;
}

.site-overlay {
  position: fixed;
  inset: 0;
  z-index: -2;
  background: rgba(7, 11, 20, 0.48);
  backdrop-filter: blur(1.5px);
}

.site-content {
  position: relative;
  z-index: 1;
}

.header {
  text-align: center;
  padding: 24px 16px 12px;
}

.brand-logo {
  width: min(240px, 58vw);
  height: auto;
  display: block;
  margin: 0 auto 14px;
  border: 0;
  box-shadow: none;
  background: transparent;
  mix-blend-mode: normal;
  filter: none;
}

.header h1 {
  margin: 0 0 6px;
  font-size: 2rem;
  letter-spacing: 0.05em;
  background: linear-gradient(50deg, #ffffff, #ffffff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.header p {
  margin: 0;
  color: var(--zenith-muted);
}

.layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 16px;
  padding: 16px;
}

.games-panel,
.player-panel {
  background: linear-gradient(180deg, var(--zenith-surface) 0%, var(--zenith-surface-2) 100%);
  border: 1px solid var(--zenith-border);
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.08);
}

.games-panel {
  background: rgba(15, 23, 40, 0.52);
  backdrop-filter: blur(6px);
  padding: 14px;
}

.games-panel h2,
.player-top h2 {
  margin: 0 0 12px;
  font-size: 1.1rem;
}

.games-list {
  display: grid;
  gap: 10px;
}

.game-btn {
  width: 100%;
  text-align: right;
  border: 1px solid #334d7c;
  background: rgba(12, 25, 45, 0.9);
  color: var(--zenith-text);
  padding: 10px 12px;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.1s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.game-btn:hover {
  background: rgba(24, 45, 79, 0.95);
  border-color: #4e78c5;
  box-shadow: 0 6px 14px rgba(26, 79, 169, 0.25);
}

.game-btn.active {
  border-color: #c63149;
  background: linear-gradient(90deg, rgba(26, 79, 169, 0.9), rgba(91, 47, 141, 0.9));
  color: #ffffff;
}

.game-btn:active {
  transform: translateY(1px);
}

.player-panel {
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 75vh;
}

.player-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--zenith-border);
  padding: 14px;
}

.player-top h2 {
  margin: 0;
}

.secondary-btn {
  border: 1px solid #3f63a8;
  background: linear-gradient(90deg, #1a4fa9, #5b2f8d);
  color: #ffffff;
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
}

.secondary-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.secondary-btn:not(:disabled):hover {
  border-color: #c63149;
}

.game-frame {
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 0 0 14px 14px;
  background: #081124;
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .games-panel {
    order: 2;
  }

  .player-panel {
    order: 1;
    min-height: 60vh;
  }
}