/**
 * Message Feed Styles with Avatar Support
 * Layout and styling for message display with avatars and grouping
 */

/* ============================================
   Message Container
   ============================================ */

.message {
  display: flex;
  padding: 8px 20px;
  gap: 12px;
  transition: background-color 0.15s ease;
  position: relative;
}

.message:hover {
  background: #F5F5F5;
}

/* ============================================
   Message Structure with Avatar
   ============================================ */

/* Avatar Column */
.message-avatar {
  width: 32px;
  flex-shrink: 0;
  display: flex;
  align-items: flex-start;
  padding-top: 2px;
}

/* Content Column */
.message-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

/* Message Header (username + timestamp) */
.message-header {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 4px;
}

.message-author {
  font-weight: 600;
  font-size: 15px;
  color: var(--color-text-primary, #1D1C1D);
}

.message-time {
  font-size: 12px;
  color: var(--color-text-secondary, #616061);
  white-space: nowrap;
}

/* Message Text */
.message-text {
  font-size: 15px;
  color: var(--color-text-primary, #1D1C1D);
  line-height: 1.5;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

/* ============================================
   Message Grouping (Same Author)
   ============================================ */

/* Grouped messages - consecutive from same author within 5 minutes */
.message.grouped {
  padding-top: 4px;
  margin-top: 0;
}

/* Hide avatar for grouped messages */
.message.grouped .message-avatar {
  visibility: hidden;
}

/* Hide header for grouped messages */
.message.grouped .message-header {
  display: none;
}

/* Adjust padding for grouped messages */
.message.grouped .message-text {
  padding-top: 0;
}

/* ============================================
   First Message in Group
   ============================================ */

/* First message always shows avatar and header */
.message.first-in-group {
  padding-top: 8px;
  margin-top: 12px;
}

.message.first-in-group .message-avatar {
  visibility: visible;
}

.message.first-in-group .message-header {
  display: flex;
}

/* ============================================
   Message Dividers (Time Gaps)
   ============================================ */

/* Add visual divider for messages with > 5 minute gap */
.message.with-divider::before {
  content: '';
  position: absolute;
  top: 0;
  left: 20px;
  right: 20px;
  height: 1px;
  background: var(--color-border, #DDDDDD);
}

/* ============================================
   Message States
   ============================================ */

/* Pending message (being sent) */
.message.pending {
  opacity: 0.6;
}

/* Failed message */
.message.failed {
  opacity: 0.5;
  background: rgba(224, 30, 90, 0.05);
}

.message.failed .message-text {
  color: var(--color-error-red, #E01E5A);
}

/* ============================================
   Responsive Design
   ============================================ */

/* Mobile optimizations */
@media (max-width: 767px) {
  .message {
    padding: 8px 12px;
    gap: 8px;
  }

  .message-avatar {
    width: 28px;
  }

  .message-author {
    font-size: 14px;
  }

  .message-text {
    font-size: 14px;
  }

  .message-time {
    font-size: 11px;
  }
}

/* Very small screens */
@media (max-width: 320px) {
  .message {
    padding: 6px 8px;
    gap: 6px;
  }

  .message-avatar {
    width: 24px;
  }
}

/* ============================================
   Accessibility
   ============================================ */

/* Focus styles for keyboard navigation */
.message:focus {
  outline: 2px solid var(--color-primary-purple, #4A154B);
  outline-offset: -2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .message {
    border-bottom: 1px solid var(--color-border, #DDDDDD);
  }

  .message:hover {
    background: #E0E0E0;
  }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  .message {
    transition: none;
  }
}