/* Premium Light CRM Messages Module Styles */

.messages-container {
  --messages-bg: #F6F3FF;
  --messages-surface: #FFFFFF;
  --messages-surface-soft: #F9FAFF;
  --messages-border: rgba(36, 28, 64, 0.08);
  --messages-text-primary: #171326;
  --messages-text-secondary: #6F6A80;
  --messages-text-muted: #A09AAD;

  --messages-primary: #7C6DF2;
  --messages-primary-soft: rgba(124, 109, 242, 0.12);

  --messages-customer-bg: #EFF7FF;
  --messages-page-bg: #F1EDFF;
  --messages-system-bg: #F8F7FC;

  max-width: 1200px;
  margin: 0 auto;
  padding: 8px 0;
  display: flex;
  flex-direction: column;
  height: calc(100vh - 120px); /* Adjust to maximize viewport height */
}

.messages-hidden {
  display: none !important;
}

/* Header Bar - Reduced Height & Visual Weight */
.messages-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  gap: 16px;
  flex-shrink: 0;
}

.messages-title-section h2 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 2px;
  color: var(--messages-text-primary);
}

.messages-title-section p {
  color: var(--messages-text-secondary);
  font-size: 0.85rem;
  line-height: 1.3;
}

/* Loading & Spinner States */
.messages-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 250px;
  color: var(--messages-text-secondary);
}

.messages-spinner {
  width: 28px;
  height: 28px;
  border: 2px solid var(--messages-border);
  border-top-color: var(--messages-primary);
  border-radius: 50%;
  animation: messages-spin 1s linear infinite;
  margin-bottom: 12px;
}

@keyframes messages-spin {
  to { transform: rotate(360deg); }
}

/* Errors & Alert Banners */
.messages-error-alert {
  background-color: var(--danger-soft);
  border: 1px solid var(--messages-border);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  color: var(--danger);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-shrink: 0;
}

.messages-error-label {
  font-weight: 600;
}

.messages-error-close-btn {
  margin-left: auto;
  background: transparent;
  border: none;
  color: var(--danger);
  font-size: 1.25rem;
  cursor: pointer;
  line-height: 1;
  padding: 0 4px;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.messages-error-close-btn:hover {
  opacity: 1;
}

/* Empty State Card */
.messages-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  text-align: center;
  background-color: var(--messages-surface);
  border: 1px solid var(--messages-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  flex-grow: 1;
  box-shadow: var(--shadow-subtle);
}

.messages-empty-illustration {
  margin-bottom: 16px;
  opacity: 0.6;
}

.messages-empty-state h3 {
  font-size: 1.15rem;
  margin-bottom: 6px;
  font-weight: 600;
  color: var(--messages-text-primary);
}

.messages-empty-state p {
  color: var(--messages-text-secondary);
  max-width: 350px;
  font-size: 0.85rem;
  line-height: 1.4;
}

/* Workspace Area (Holding Sidebar & Chat timeline split) */
.messages-workspace {
  display: flex;
  background-color: var(--messages-surface);
  border: 1px solid var(--messages-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  flex-grow: 1;
  min-height: 400px;
  box-shadow: var(--shadow-subtle);
}

/* Zone: Left panel: Active chat timeline area */
.messages-chat-area {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  background-color: var(--messages-surface);
}

/* Zone: Right panel: Conversation list sidebar */
.messages-conv-sidebar {
  width: 330px;
  border-left: 1px solid var(--messages-border);
  border-right: none;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  background-color: var(--messages-surface-soft);
}

/* Sidebar header area layout */
.messages-conv-header-block {
  padding: 16px;
  border-bottom: 1px solid var(--messages-border);
  display: flex;
  flex-direction: column;
  gap: 12px;
  background-color: var(--messages-surface);
}

.messages-conv-header {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--messages-text-primary);
  letter-spacing: -0.2px;
}

/* Sidebar Search bar input */
.messages-search-wrapper {
  position: relative;
  width: 100%;
}

.messages-search-wrapper input {
  background-color: var(--messages-surface-soft);
  border: 1px solid var(--messages-border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  color: var(--messages-text-primary);
  font-family: var(--font-family);
  font-size: 0.85rem;
  width: 100%;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.messages-search-wrapper input:focus {
  border-color: var(--messages-primary);
  box-shadow: 0 0 0 2px var(--messages-primary-soft);
}

.messages-search-wrapper input::placeholder {
  color: var(--messages-text-secondary);
  opacity: 0.6;
}

/* Sidebar filter select dropdowns */
.messages-filters-row {
  display: flex;
  gap: 8px;
  width: 100%;
}

.messages-filter-select {
  flex: 1;
  background-color: var(--messages-surface-soft);
  border: 1px solid var(--messages-border);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  color: var(--messages-text-secondary);
  font-family: var(--font-family);
  font-size: 0.78rem;
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition-fast);
  min-width: 0;
}

.messages-filter-select:focus {
  border-color: var(--messages-primary);
}

/* Thread List Items */
.messages-conv-list {
  flex-grow: 1;
  overflow-y: auto;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.messages-conv-item {
  padding: 10px 12px;
  cursor: pointer;
  transition: background-color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 12px;
  border-radius: var(--radius-sm);
}

.messages-conv-item:hover {
  background-color: var(--messages-surface-soft);
}

.messages-conv-item.active {
  background-color: var(--messages-primary-soft);
}

.messages-conv-avatar {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.messages-conv-content {
  flex-grow: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.messages-conv-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
}

.messages-conv-name {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--messages-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.messages-conv-time {
  font-size: 0.72rem;
  color: var(--messages-text-secondary);
  flex-shrink: 0;
}

.messages-conv-snippet {
  font-size: 0.78rem;
  color: var(--messages-text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.messages-conv-item.active .messages-conv-name {
  color: var(--messages-primary);
}

/* Active Chat Header Details */
.messages-chat-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--messages-border);
  background-color: var(--messages-surface);
  display: flex;
  align-items: center;
  gap: 12px;
}

#messages-chat-header-avatar-container {
  flex-shrink: 0;
}

.messages-chat-header-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.messages-chat-header-info h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--messages-text-primary);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.messages-chat-header-info p {
  font-size: 0.75rem;
  color: var(--messages-text-secondary);
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.messages-chat-header-info p span {
  white-space: nowrap;
}

/* Scrollable messages container area */
.messages-chat-timeline {
  flex-grow: 1;
  padding: 24px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  background-color: var(--messages-surface);
}

/* Unselected Chat thread layout placeholder */
.messages-chat-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--messages-text-secondary);
  gap: 16px;
  text-align: center;
}

.messages-chat-placeholder-icon {
  opacity: 0.4;
  display: flex;
  align-items: center;
  justify-content: center;
}

.messages-chat-placeholder p {
  font-size: 0.88rem;
  color: var(--messages-text-secondary);
}

/* Bottom visual mockup input box area */
.messages-chat-input-area {
  padding: 16px 20px;
  border-top: 1px solid var(--messages-border);
  background-color: var(--messages-surface);
}

.messages-chat-input-visual {
  width: 100%;
  padding: 10px 16px;
  border: 1px solid var(--messages-border);
  border-radius: var(--radius-sm);
  background-color: var(--messages-surface-soft);
  color: var(--messages-text-secondary);
  font-size: 0.88rem;
  font-family: var(--font-family);
  outline: none;
  cursor: not-allowed;
}

/* Message Bubble Systems */
.messages-bubble-row {
  display: flex;
  width: 100%;
  flex-direction: column;
  margin-bottom: 16px;
}

.messages-bubble-row.messages-bubble-row-consecutive {
  margin-bottom: 4px;
}

.messages-bubble-row-consecutive .messages-sender-tag {
  display: none;
}

.messages-bubble-container {
  display: flex;
  width: 100%;
}

.messages-bubble {
  max-width: 65%;
  padding: 10px 14px;
  border-radius: 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: relative;
  box-shadow: var(--shadow-subtle);
  font-size: 0.88rem;
}

.messages-bubble-text {
  line-height: 1.45;
  unicode-bidi: plaintext;
  text-align: start;
}

/* Timestamp inline alignment inside bubbles */
.messages-bubble-meta {
  font-size: 0.68rem;
  color: var(--messages-text-secondary);
  opacity: 0.8;
  align-self: flex-end;
  margin-top: 2px;
}

.messages-sender-tag {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 2px;
  letter-spacing: 0.5px;
  color: var(--messages-text-muted);
  opacity: 0.8;
}

/* Date Separator */
.messages-date-separator {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 16px 0 24px 0;
  color: var(--messages-text-muted);
  font-size: 0.75rem;
  font-weight: 600;
}

.messages-date-separator::before,
.messages-date-separator::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--messages-border);
}

.messages-date-separator:not(:empty)::before {
  margin-right: .5em;
}

.messages-date-separator:not(:empty)::after {
  margin-left: .5em;
}

/* Alignments and Color states based on sender classification */

/* 1. Customer Bubble (Left alignment) */
.messages-bubble-row.customer {
  align-items: flex-start;
}

.messages-bubble-row.customer .messages-bubble-container {
  justify-content: flex-start;
}

.messages-bubble-row.customer .messages-bubble {
  background-color: var(--messages-customer-bg);
  color: var(--messages-text-primary);
  border-bottom-left-radius: 4px;
}

.messages-bubble-row.customer.messages-bubble-row-consecutive .messages-bubble {
  border-top-left-radius: 4px;
}

.messages-bubble-row.customer .messages-sender-tag {
  color: var(--messages-primary);
}

/* 2. Page Reply Bubbles (Right alignments) */
.messages-bubble-row.ai,
.messages-bubble-row.human {
  align-items: flex-end;
}

.messages-bubble-row.ai .messages-bubble-container,
.messages-bubble-row.human .messages-bubble-container {
  justify-content: flex-end;
}

.messages-bubble-row.ai .messages-bubble,
.messages-bubble-row.human .messages-bubble {
  background-color: var(--messages-page-bg);
  color: var(--messages-text-primary);
  border-bottom-right-radius: 4px;
}

.messages-bubble-row.ai.messages-bubble-row-consecutive .messages-bubble,
.messages-bubble-row.human.messages-bubble-row-consecutive .messages-bubble {
  border-top-right-radius: 4px;
}

.messages-bubble-row.ai .messages-sender-tag,
.messages-bubble-row.human .messages-sender-tag {
  color: var(--messages-primary);
}

/* 3. System Log Note (Centered alignment, minimal layout) */
.messages-bubble-row.system {
  align-items: center;
  margin: 8px 0;
}

.messages-bubble-row.system .messages-bubble-container {
  justify-content: center;
}

.messages-bubble-row.system .messages-bubble {
  background-color: transparent;
  border: none;
  box-shadow: none;
  color: var(--messages-text-secondary);
  font-style: italic;
  font-size: 0.8rem;
  padding: 4px 16px;
  text-align: center;
  max-width: 90%;
  border-radius: 0;
}

.messages-bubble-row.system .messages-sender-tag,
.messages-bubble-row.system .messages-bubble-meta {
  display: none !important;
}

/* Media/attachment list items */
.messages-attachment-preview {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: var(--messages-surface);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  margin-top: 6px;
  border: 1px solid var(--messages-border);
}

.messages-attachment-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--messages-text-primary);
}

/* Header Badges */
.messages-header-badges {
  display: flex;
  gap: 6px;
  margin-top: 6px;
  flex-wrap: wrap;
}

.messages-badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.65rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.messages-badge-ai-enabled {
  background-color: rgba(16, 185, 129, 0.1);
  color: #10B981;
}

.messages-badge-ai-disabled {
  background-color: rgba(239, 68, 68, 0.1);
  color: #EF4444;
}

.messages-badge-tags {
  background-color: rgba(139, 92, 246, 0.1);
  color: #8B5CF6;
}

.messages-badge-thread {
  background-color: var(--messages-surface-soft);
  color: var(--messages-text-secondary);
  border: 1px solid var(--messages-border);
}

/* Filtered Empty State in Sidebar */
.messages-filter-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 32px 16px;
  flex-grow: 1;
}

.messages-filter-empty-icon {
  color: var(--messages-text-muted);
  margin-bottom: 12px;
  opacity: 0.5;
}

.messages-filter-empty-state h4 {
  font-size: 0.95rem;
  margin-bottom: 6px;
  color: var(--messages-text-primary);
  font-weight: 600;
}

.messages-filter-empty-state p {
  font-size: 0.8rem;
  color: var(--messages-text-secondary);
  margin-bottom: 16px;
  line-height: 1.4;
}

.messages-clear-filters-btn {
  background-color: var(--messages-primary-soft);
  color: var(--messages-primary);
  border: none;
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.messages-clear-filters-btn:hover {
  background-color: var(--messages-primary);
  color: #FFFFFF;
}

/* ==========================================
   Messages Module Mobile & RTL Enhancements
   ========================================== */
.messages-container {
  font-family: var(--font-family, system-ui, sans-serif);
  text-align: start;
}

.messages-back-btn {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--messages-text-primary);
  padding: 8px;
  border-radius: 8px;
  margin-inline-end: 8px;
  transition: background-color var(--transition-fast);
  align-items: center;
  justify-content: center;
}

.messages-back-btn:hover {
  background-color: var(--messages-surface-soft);
}

/* Logical Bubble Corners in RTL */
[dir="rtl"] .messages-bubble-row.customer .messages-bubble {
  border-bottom-left-radius: 18px;
  border-bottom-right-radius: 4px;
}

[dir="rtl"] .messages-bubble-row.customer.messages-bubble-row-consecutive .messages-bubble {
  border-top-left-radius: 18px;
  border-top-right-radius: 4px;
}

[dir="rtl"] .messages-bubble-row.ai .messages-bubble,
[dir="rtl"] .messages-bubble-row.human .messages-bubble {
  border-bottom-right-radius: 18px;
  border-bottom-left-radius: 4px;
}

[dir="rtl"] .messages-bubble-row.ai.messages-bubble-row-consecutive .messages-bubble,
[dir="rtl"] .messages-bubble-row.human.messages-bubble-row-consecutive .messages-bubble {
  border-top-right-radius: 18px;
  border-top-left-radius: 4px;
}

/* Bidi Isolation for Metadata & Numbers */
.messages-chat-header-info p,
.messages-conv-time,
.messages-bubble-meta,
.messages-badge {
  unicode-bidi: isolate;
}

/* Master-Detail Mobile Responsive Layout (<= 768px) */
@media (max-width: 768px) {
  .messages-container {
    height: calc(100dvh - 80px);
    padding: 0;
  }

  .messages-header-bar {
    display: none;
  }

  .messages-workspace {
    display: flex;
    flex-direction: column;
    height: 100%;
    border-radius: 0;
    border-inline: none;
    box-shadow: none;
    position: relative;
  }

  .messages-inbox-panel {
    width: 100% !important;
    min-width: 100% !important;
    max-width: 100% !important;
    height: 100%;
    border-inline: none;
    display: flex !important;
  }

  .messages-chat-panel {
    width: 100% !important;
    min-width: 100% !important;
    height: 100%;
    display: none !important;
  }

  .messages-workspace.messages-chat-active .messages-inbox-panel {
    display: none !important;
  }

  .messages-workspace.messages-chat-active .messages-chat-panel {
    display: flex !important;
  }

  .messages-back-btn {
    display: inline-flex !important;
    min-width: 44px;
    min-height: 44px;
  }

  .messages-bubble {
    max-width: 85%;
  }

  .messages-conv-item {
    min-height: 54px;
    padding: 12px 14px;
  }

  .messages-search-wrapper input {
    font-size: 16px !important;
    min-height: 42px;
  }

  .messages-filter-select {
    min-height: 42px;
    font-size: 14px;
  }
}