/* Room Card Component */
.room-card {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-6);
  transition: all var(--transition-normal);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.room-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-pink), var(--accent-purple));
}

.room-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.room-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-4);
}

.room-avatar {
  position: relative;
}

.room-avatar img {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  border: 3px solid var(--accent-pink);
}

.room-status {
  position: absolute;
  bottom: 2px;
  right: 2px;
  width: 14px;
  height: 14px;
  border-radius: var(--radius-full);
  border: 2px solid white;
}

.room-status.online {
  background: var(--success);
}

.room-status.offline {
  background: var(--gray-400);
}

.room-info h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-1);
}

.room-info .room-type {
  font-size: 0.8rem;
  color: var(--gray-500);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.room-meta {
  display: flex;
  align-items: center;
  justify-content: between;
  margin-bottom: var(--spacing-4);
}

.room-stats {
  display: flex;
  gap: var(--spacing-4);
  font-size: 0.9rem;
  color: var(--gray-600);
}

.room-stat {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
}

.room-stat svg {
  width: 16px;
  height: 16px;
}

.room-preview {
  background: var(--gray-50);
  border-radius: var(--radius-md);
  padding: var(--spacing-3);
  font-size: 0.9rem;
  color: var(--gray-600);
  line-height: 1.4;
  margin-bottom: var(--spacing-4);
}

.room-actions {
  display: flex;
  gap: var(--spacing-2);
}

.room-action-btn {
  flex: 1;
  padding: var(--spacing-2) var(--spacing-4);
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.room-action-btn.primary {
  background: var(--accent-pink);
  color: white;
}

.room-action-btn.secondary {
  background: var(--gray-100);
  color: var(--gray-700);
}

.room-action-btn:hover {
  transform: translateY(-1px);
}

/* Chat Screen Components */
.chat-screen {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 80px);
}

.chat-header {
  background: white;
  border-bottom: 1px solid var(--gray-200);
  padding: var(--spacing-4) var(--spacing-6);
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  position: sticky;
  top: 80px;
  z-index: var(--z-sticky);
}

.chat-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  flex: 1;
}

.chat-avatar img {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 2px solid var(--accent-pink);
}

.chat-details h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-1);
}

.status {
  font-size: 0.8rem;
  color: var(--success);
}

.chat-actions {
  display: flex;
  gap: var(--spacing-2);
}

.chat-action-btn {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: var(--radius-md);
  background: var(--gray-100);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.chat-action-btn:hover {
  background: var(--gray-200);
}

.chat-action-btn svg {
  width: 20px;
  height: 20px;
  color: var(--gray-600);
}

/* Chat Messages */
.chat-messages {
  flex: 1;
  padding: var(--spacing-4) var(--spacing-6);
  overflow-y: auto;
  background: linear-gradient(135deg, var(--gray-50) 0%, rgba(255, 107, 157, 0.05) 100%);
}

.message {
  display: flex;
  margin-bottom: var(--spacing-4);
  animation: messageSlideIn 0.3s ease-out;
}

.message.sent {
  justify-content: flex-end;
}

.message.received {
  justify-content: flex-start;
}

.message-bubble {
  max-width: 70%;
  padding: var(--spacing-3) var(--spacing-4);
  border-radius: var(--radius-xl);
  position: relative;
  word-wrap: break-word;
}

.message.sent .message-bubble {
  background: linear-gradient(135deg, var(--accent-pink), var(--accent-purple));
  color: white;
  border-bottom-right-radius: var(--radius-sm);
}

.message.received .message-bubble {
  background: white;
  color: var(--gray-900);
  border-bottom-left-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.message-content {
  margin-bottom: var(--spacing-1);
  line-height: 1.4;
}

.message-time {
  font-size: 0.7rem;
  opacity: 0.7;
  display: block;
}

.message.sent .message-time {
  text-align: right;
}

/* Message Types */
.message-image {
  border-radius: var(--radius-lg);
  max-width: 100%;
  margin-bottom: var(--spacing-2);
}

.message-audio {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-2) 0;
}

.audio-play-btn {
  width: 32px;
  height: 32px;
  border: none;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.2);
  color: inherit;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.audio-waveform {
  flex: 1;
  height: 32px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-3);
}

/* Chat Input */
.chat-input-container {
  background: white;
  border-top: 1px solid var(--gray-200);
  padding: var(--spacing-4) var(--spacing-6);
  position: sticky;
  bottom: 0;
}

.chat-composer {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  background: var(--gray-50);
  border-radius: var(--radius-full);
  padding: var(--spacing-2);
  border: 2px solid transparent;
  transition: border-color var(--transition-fast);
}

.chat-composer:focus-within {
  border-color: var(--accent-pink);
  background: white;
}

.composer-btn {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: var(--radius-full);
  background: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.composer-btn:hover {
  background: rgba(255, 107, 157, 0.1);
}

.composer-btn svg {
  width: 20px;
  height: 20px;
  color: var(--gray-600);
}

.message-input {
  flex: 1;
  border: none;
  background: none;
  font-size: 1rem;
  padding: var(--spacing-3) var(--spacing-2);
  outline: none;
  resize: none;
}

.send-btn {
  background: var(--accent-pink);
  color: white;
}

.send-btn:hover {
  background: var(--accent-purple);
  transform: scale(1.05);
}

/* Modal Components */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4);
  animation: fadeIn 0.2s ease-out;
}

.modal {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideInUp 0.3s ease-out;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-6);
  border-bottom: 1px solid var(--gray-200);
}

.modal-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-900);
}

.modal-close {
  width: 32px;
  height: 32px;
  border: none;
  border-radius: var(--radius-md);
  background: var(--gray-100);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.modal-close:hover {
  background: var(--gray-200);
}

.modal-close svg {
  width: 20px;
  height: 20px;
  color: var(--gray-600);
}

.modal-body {
  padding: var(--spacing-6);
}

/* Notification Components */
.notification {
  position: fixed;
  top: 100px;
  right: var(--spacing-6);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--spacing-4);
  max-width: 300px;
  z-index: var(--z-modal);
  animation: slideInRight 0.3s ease-out;
  border-left: 4px solid var(--accent-pink);
}

.notification.success {
  border-left-color: var(--success);
}

.notification.error {
  border-left-color: var(--error);
}

.notification.warning {
  border-left-color: var(--warning);
}

.notification-content {
  display: flex;
  gap: var(--spacing-3);
}

.notification-icon {
  width: 20px;
  height: 20px;
  margin-top: 2px;
}

.notification-text h4 {
  font-weight: 600;
  margin-bottom: var(--spacing-1);
  font-size: 0.9rem;
}

.notification-text p {
  font-size: 0.8rem;
  color: var(--gray-600);
  line-height: 1.3;
}

/* Loading States */
.skeleton {
  background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

.skeleton-text {
  height: 1rem;
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-2);
}

.skeleton-text.short {
  width: 60%;
}

.skeleton-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
}

.skeleton-card {
  height: 200px;
  border-radius: var(--radius-xl);
}

/* Responsive Components */
@media (max-width: 768px) {
  .chat-messages {
    padding: var(--spacing-3);
  }
  
  .chat-input-container {
    padding: var(--spacing-3);
  }
  
  .message-bubble {
    max-width: 85%;
  }
  
  .modal {
    margin: var(--spacing-4);
    max-height: calc(100vh - 2rem);
  }
  
  .notification {
    right: var(--spacing-4);
    left: var(--spacing-4);
    max-width: none;
  }
}

@media (max-width: 480px) {
  .chat-header {
    padding: var(--spacing-3) var(--spacing-4);
  }
  
  .chat-info h3 {
    font-size: 1rem;
  }
  
  .chat-action-btn {
    width: 36px;
    height: 36px;
  }
  
  .room-card {
    padding: var(--spacing-4);
  }
  
  .room-actions {
    flex-direction: column;
  }
}