/* Corner Pocket — 8-Ball Pool Styles */
:root {
  --bg-dark: #0f172a;
  --table-felt: #0d5c36;
  --table-rail: #3e2723;
  --table-cushion: #0a4729;
  --accent-gold: #fbbf24;
  --accent-coral: #ff5757;
  --accent-blue: #38bdf8;
  --text-light: #f8fafc;
  --text-muted: #94a3b8;
  --panel-bg: rgba(15, 23, 42, 0.85);
  --panel-border: rgba(255, 255, 255, 0.12);
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-dark);
  font-family: var(--font-family);
  color: var(--text-light);
}

#game-container {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  background: radial-gradient(circle at center, #1e293b 0%, #090d16 100%);
}

#game-canvas {
  display: block;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
  cursor: crosshair;
}

/* Header HUD */
#hud {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--panel-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 8px 18px;
  border-radius: 9999px;
  border: 1px solid var(--panel-border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  z-index: 10;
  pointer-events: none;
  max-width: 95vw;
}

.player-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  opacity: 0.55;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.player-panel.active {
  opacity: 1;
  transform: scale(1.05);
}

.player-p1 .player-name {
  color: var(--accent-coral);
}

.player-p2 .player-name {
  color: var(--accent-blue);
}

.player-name {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.group-badge {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 8px;
  border-radius: 6px;
  white-space: nowrap;
}

.player-panel.active .group-badge {
  background: rgba(255, 255, 255, 0.18);
  color: var(--text-light);
}

.turn-status {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--accent-gold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0 10px;
  border-left: 1px solid var(--panel-border);
  border-right: 1px solid var(--panel-border);
  text-align: center;
}

/* Power Meter Container */
.power-meter-container {
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  background: var(--panel-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 12px 8px;
  border-radius: 20px;
  border: 1px solid var(--panel-border);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  z-index: 10;
  pointer-events: none;
  opacity: 0.85;
}

.power-track {
  width: 16px;
  height: 160px;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column-reverse;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.power-fill {
  width: 100%;
  height: 0%;
  background: linear-gradient(to top, #10b981 0%, #fbbf24 65%, #ef4444 100%);
  border-radius: 8px;
  transition: height 0.05s linear;
}

.power-label {
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  transform: rotate(180deg);
}

/* Overlays */
.overlay {
  position: absolute;
  inset: 0;
  background: rgba(8, 12, 22, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 50;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.25s ease, visibility 0.25s ease;
  padding: 20px;
}

.overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.menu-card {
  background: #1e293b;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  padding: 28px;
  max-width: 440px;
  width: 100%;
  text-align: center;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.menu-badge {
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--accent-gold);
  background: rgba(251, 191, 36, 0.12);
  border: 1px solid rgba(251, 191, 36, 0.3);
  padding: 4px 12px;
  border-radius: 9999px;
  letter-spacing: 0.06em;
}

.menu-title {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: #fff;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

.menu-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.45;
  margin-bottom: 6px;
}

.mode-select {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
}

.btn {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 12px 16px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  transition: transform 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
  text-align: left;
}

.btn:active {
  transform: scale(0.98);
}

.btn-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
}

.btn-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.btn-text strong {
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.btn-text small {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-muted);
}

.btn-primary {
  background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
  color: #fff;
  box-shadow: 0 4px 15px rgba(249, 115, 22, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #fb923c 0%, #f97316 100%);
}

.btn-secondary {
  background: #334155;
  color: #f1f5f9;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
  background: #475569;
}

.btn-secondary.selected {
  border-color: var(--accent-gold);
  background: #3b4252;
}

.start-cta {
  justify-content: center;
  margin-top: 6px;
  padding: 14px;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.35);
}

.start-cta:hover {
  background: linear-gradient(135deg, #34d399 0%, #10b981 100%);
}

/* Match Over Screen */
.winner-trophy {
  font-size: 3rem;
  animation: bounce 1.5s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.winner-title {
  font-size: 1.8rem;
  font-weight: 900;
  color: #fff;
}

.winner-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  width: 100%;
  margin: 6px 0;
}

.stat-box {
  background: #0f172a;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 10px 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 700;
}

.stat-val {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--accent-gold);
}

.gameover-actions {
  width: 100%;
}

.pause-card {
  max-width: 320px;
}

/* Mobile responsive */
@media (max-width: 640px) {
  #hud {
    top: 6px;
    padding: 6px 12px;
    gap: 10px;
  }
  .player-name {
    font-size: 0.65rem;
  }
  .group-badge {
    font-size: 0.58rem;
  }
  .turn-status {
    font-size: 0.7rem;
    padding: 0 6px;
  }
  .power-meter-container {
    right: 8px;
    padding: 8px 6px;
  }
  .power-track {
    height: 120px;
    width: 12px;
  }
  .menu-card {
    padding: 20px 16px;
  }
  .menu-title {
    font-size: 1.6rem;
  }
}