/* ===================================
   Connect 4 - PvP Mode Styles
   =================================== */

.connection-status {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  background: var(--surface);
  border-radius: var(--radius-lg);
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-left: var(--space-sm);
  border-left: 1px solid var(--border);
  padding-left: var(--space-md);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--warning);
  animation: pulse-dot 1.5s ease-in-out infinite;
}

.connection-status.connected .status-dot {
  background: var(--success);
  animation: none;
}

.connection-status.disconnected .status-dot {
  background: var(--danger);
  animation: none;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* Lobby Screen */
.lobby-screen, .waiting-screen, .game-screen {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
}

.lobby-container, .waiting-container {
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
}

.lobby-header, .waiting-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.lobby-icon, .waiting-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-lg);
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: white;
  box-shadow: 0 8px 32px var(--accent-glow);
}

.waiting-icon {
  background: linear-gradient(135deg, var(--warning) 0%, #d97706 100%);
  box-shadow: 0 8px 32px rgba(245, 158, 11, 0.3);
  animation: float 2s ease-in-out infinite;
}

.lobby-header h1, .waiting-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: var(--space-sm);
}

.lobby-header p, .waiting-header p {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.lobby-section {
  margin-bottom: var(--space-lg);
}

.lobby-section label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.lobby-input {
  width: 100%;
  padding: var(--space-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  font-family: var(--font-main);
  font-size: 1rem;
  outline: none;
  transition: all var(--transition-fast);
}

.lobby-input::placeholder {
  color: var(--text-muted);
}

.lobby-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.room-code-input {
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-align: center;
}

.room-code-input-container {
  display: flex;
  gap: var(--space-sm);
}

.room-code-input-container .lobby-input {
  flex: 1;
}

.lobby-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lobby-btn i {
  font-size: 1.2rem;
}

.lobby-btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: white;
  box-shadow: 0 4px 16px var(--accent-glow);
}

.lobby-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px var(--accent-glow);
}

.lobby-btn-secondary {
  background: var(--surface-hover);
  color: var(--text);
  border: 1px solid var(--border);
}

.lobby-btn-secondary:hover {
  background: var(--surface-active);
  border-color: var(--border-light);
}

.lobby-btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
}

.lobby-btn-danger:hover {
  background: rgba(239, 68, 68, 0.1);
}

.lobby-divider {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin: var(--space-xl) 0;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.lobby-divider::before, .lobby-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* Waiting Screen */
.room-code-display {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-xl);
}

.room-code {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: var(--accent-light);
  font-family: 'Courier New', monospace;
}

.copy-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 1.25rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.copy-btn:hover {
  background: var(--surface-hover);
  color: var(--text);
}

.copy-btn.copied {
  background: var(--success);
  border-color: var(--success);
  color: white;
}

.waiting-animation {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-xl);
}

.waiting-dots {
  display: flex;
  gap: var(--space-sm);
}

.waiting-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  animation: bounce 1.4s ease-in-out infinite both;
}

.waiting-dots span:nth-child(1) { animation-delay: 0s; }
.waiting-dots span:nth-child(2) { animation-delay: 0.16s; }
.waiting-dots span:nth-child(3) { animation-delay: 0.32s; }

@keyframes bounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}

/* Game Screen Layout */
.pvp-main-content {
  flex: 1;
  display: grid;
  grid-template-columns: 280px 1fr 280px;
  gap: var(--space-xl);
  padding: var(--space-xl);
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  align-items: start;
}

@media (max-width: 1000px) {
  .pvp-main-content {
    grid-template-columns: 1fr;
    max-width: 600px;
  }
  .player1-panel { order: 1; }
  .player2-panel { order: 2; }
  .pvp-game-section { order: 3; }
}

.pvp-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.player-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
}

.player-card.active {
  border-color: var(--accent);
  box-shadow: 0 0 24px var(--accent-glow);
}

.player1-panel .player-card.active {
  border-color: var(--player1);
  box-shadow: 0 0 24px var(--player1-glow);
}

.player2-panel .player-card.active {
  border-color: var(--player2);
  box-shadow: 0 0 24px var(--player2-glow);
}

.player-piece-indicator {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  flex-shrink: 0;
}

.player-piece-indicator.player1 {
  background: radial-gradient(circle at 35% 35%, var(--player1-light), var(--player1));
  box-shadow: 0 4px 12px var(--player1-glow);
}

.player-piece-indicator.player2 {
  background: radial-gradient(circle at 35% 35%, var(--player2-light), var(--player2));
  box-shadow: 0 4px 12px var(--player2-glow);
}

.player-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.player-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.player-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.turn-badge {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  border-radius: 50%;
  color: white;
  font-size: 1rem;
  animation: pulse 1s ease-in-out infinite alternate;
}

.player1-panel .turn-badge { background: var(--player1); }
.player2-panel .turn-badge { background: var(--player2); }

.pvp-game-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

/* Game Over */
.game-over-buttons {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.game-over-buttons .btn { min-width: 140px; }

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.2s ease-out;
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  max-width: 380px;
  width: 90%;
  animation: slideUp 0.3s ease-out;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

.modal-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-lg);
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
}

.modal-content h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: var(--space-sm);
}

.modal-content p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
}

.modal-buttons {
  display: flex;
  gap: var(--space-md);
}

.modal-buttons .btn { flex: 1; }

/* Toast */
.toast {
  position: fixed;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: var(--danger);
  color: white;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  z-index: 2000;
}

.toast i { font-size: 1.25rem; }
.toast.hidden { display: none; }

/* Footer */
.pvp-footer {
  background: transparent;
  border-top: 1px solid var(--border);
  padding: var(--space-md);
  text-align: center;
}

.pvp-footer p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.hidden { display: none !important; }