@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Inter:wght@400;600&display=swap');

/* ── Base ── */
:root {
  --cyan: #00d4ff;
  --theme-area_background_light: 12, 20, 36;
  --radius-1: 12px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: radial-gradient(ellipse at center, #0a1020, #040810);
  font-family: 'Orbitron', 'Inter', sans-serif;
  color: #e0f4ff;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  gap: 12px;
  padding: max(56px, env(safe-area-inset-top)) max(8px, env(safe-area-inset-right)) max(18px, env(safe-area-inset-bottom)) max(8px, env(safe-area-inset-left));
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

ul { margin: 0; padding: 0; list-style: none; }

.centered-content {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 12px;
  flex-wrap: wrap;
  width: 100%;
}

#game {
  position: relative;
  display: block;
  width: min(320px, calc(100vw - 24px));
  height: auto !important;
  aspect-ratio: 1 / 2;
  padding: 0;
  box-shadow: 0 0 30px rgba(0,212,255,0.12);
  background: rgba(0,212,255,0.04);
  border: 1px solid rgba(0,212,255,0.15);
  border-radius: 12px;
}

.sidebar {
  width: min(180px, 100%);
  min-width: 0;
  border: 1px solid rgba(0,212,255,0.25);
  border-radius: 12px;
  padding: 14px;
  text-align: center;
  background: rgba(0,212,255,0.05);
  backdrop-filter: blur(8px);
  font-family: 'Orbitron', monospace;
  font-size: 0.75rem;
  color: rgba(0,212,255,0.7);
}

.sidebar hr {
  margin: 10px 0;
  border: none;
  border-top: 1px solid rgba(0,212,255,0.15);
}

.sidebar a { text-decoration: none; }

#player-ratings {
  background: rgba(var(--theme-area_background_light), 0.9);
  border-radius: var(--radius-1);
  padding: 14px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

/* ── Buttons ── */
.button {
  display: inline-block;
  padding: 10px 14px;
  margin-top: 8px;
  font-size: 0.7rem;
  font-family: 'Orbitron', monospace;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--cyan);
  text-decoration: none;
  border: 1px solid rgba(0,212,255,0.35);
  border-radius: 8px;
  background: rgba(0,212,255,0.07);
  box-shadow: 0 0 12px rgba(0,212,255,0.1);
  outline: none;
  transition: all 0.2s;
  cursor: pointer;
  user-select: none;
  min-height: 44px;
  touch-action: manipulation;
}

.button:not(:disabled):hover {
  background: rgba(0,212,255,0.18);
  box-shadow: 0 0 20px rgba(0,212,255,0.3);
  transform: translateY(-1px);
}

.button:disabled {
  color: #3a5a6a;
  border-color: rgba(0,212,255,0.1);
  cursor: default;
}

.button:active:not(:disabled) {
  transform: translateY(2px);
  box-shadow: 0 0 6px rgba(0,212,255,0.1);
}

.btn--icon { padding: 8px 10px; }

.hide { display: none; }

.btn--active { color: rgba(0,212,255,0.5); }

.button-container { text-align: center; }

.button-text {
  display: block;
  margin-bottom: 8px;
  font-size: 0.65rem;
  color: rgba(255,255,255,0.5);
}

/* ── Mobile ── */
@media (max-width: 600px) {
  body {
    align-items: stretch;
  }

  .centered-content {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }

  .sidebar {
    width: 100%;
    max-width: min(360px, calc(100vw - 24px));
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    align-items: center;
  }

  .sidebar hr,
  .sidebar > br,
  .sidebar > ul + br {
    display: none;
  }

  .sidebar ul {
    display: grid;
    grid-template-columns: repeat(4, minmax(44px, 1fr));
    gap: 6px;
    grid-column: 1 / -1;
  }

  .button {
    width: 100%;
    margin-top: 0;
  }

  #start_btn {
    grid-column: 1 / -1;
  }
}