/* ================================================================
   Admin Followup — Two-Pane Settings Center
   ================================================================ */

/* ============ Layout ============ */
.followup-layout {
  display: flex;
  gap: 1.5rem;
  min-height: calc(100vh - var(--layout-topbar-height, 56px) - 2rem);
}

.followup-sidebar {
  width: 300px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background: var(--bg-card, #fff);
  border-radius: var(--radius-lg, 10px);
  border: 1px solid var(--border, #E1E5EF);
  box-shadow: var(--shadow-soft, 0 1px 3px rgba(0,0,0,0.06));
  padding: 1rem;
  max-height: calc(100vh - var(--layout-topbar-height, 56px) - 2rem);
  overflow: hidden;
}

.followup-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

/* ============ Sidebar ============ */
.followup-sidebar-header {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.followup-sidebar-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main, #1E2430);
  margin: 0;
}

.followup-search-wrapper {
  position: relative;
}

.followup-search-input {
  width: 100%;
  padding: 0.55rem 0.75rem 0.55rem 2.25rem;
  border: 1px solid var(--border, #E1E5EF);
  border-radius: var(--radius-md, 8px);
  font-size: 0.875rem;
  color: var(--text-main, #1E2430);
  background: var(--bg-body, #F6F7FB);
  transition: var(--transition-base);
}

.followup-search-input:focus {
  outline: none;
  border-color: var(--color-primary, #4A6FA5);
  box-shadow: 0 0 0 3px rgba(165, 184, 217, 0.35);
}

.followup-search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted, #8B92A3);
  font-size: 0.875rem;
}

/* Page List */
.followup-page-list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  overflow-y: auto;
  flex: 1;
  margin: 0 -0.5rem;
  padding: 0 0.5rem;
}

.followup-page-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-md, 8px);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-base);
  font-size: 0.875rem;
  color: var(--text-main, #1E2430);
  text-align: left;
  width: 100%;
}

.followup-page-item:hover {
  background: rgba(0, 0, 0, 0.03);
}

.followup-page-item.active {
  background: var(--color-primary, #4A6FA5);
  color: #fff;
  font-weight: 500;
}

.followup-page-item.active .page-icon {
  color: #fff;
}

.followup-page-item .page-icon {
  margin-right: 0.5rem;
  opacity: 0.8;
}

.followup-page-item .page-name {
  display: flex;
  align-items: center;
  min-width: 0;
}

.followup-page-item .page-name-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.followup-page-item .page-badges {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-shrink: 0;
}

.followup-page-item .page-badge {
  font-size: 0.65rem;
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-pill, 999px);
  background: rgba(0, 0, 0, 0.06);
  color: var(--text-sub, #5C6372);
  font-weight: 600;
}

.followup-page-item.active .page-badge {
  background: rgba(255, 255, 255, 0.25);
  color: #fff;
}

.followup-empty-state-small {
  padding: 1rem 0;
  text-align: center;
}

/* ============ Main / Editor ============ */
.followup-empty-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card, #fff);
  border-radius: var(--radius-lg, 10px);
  border: 1px solid var(--border, #E1E5EF);
  box-shadow: var(--shadow-soft, 0 1px 3px rgba(0,0,0,0.06));
}

.followup-editor {
  display: none;
  flex-direction: column;
  height: 100%;
  background: var(--bg-card, #fff);
  border-radius: var(--radius-lg, 10px);
  border: 1px solid var(--border, #E1E5EF);
  box-shadow: var(--shadow-soft, 0 1px 3px rgba(0,0,0,0.06));
  overflow: hidden;
}

.followup-editor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border, #E1E5EF);
  flex-wrap: wrap;
}

.followup-editor-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
  flex: 1 1 260px;
}

.followup-editor-meta .badge {
  flex-shrink: 0;
}

.followup-editor-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main, #1E2430);
  margin: 0;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.followup-editor-status {
  font-size: 0.7rem;
  padding: 0.22rem 0.5rem;
  border-radius: var(--radius-pill, 999px);
  background: rgba(140, 140, 150, 0.12);
  color: var(--text-muted, #8B92A3);
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}

.followup-editor-status.on {
  background: rgba(45, 143, 111, 0.12);
  color: var(--color-success, #2D8F6F);
}

.followup-header-controls {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
  flex: 0 1 auto;
  min-width: 0;
}

.followup-auto-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 36px;
  padding: 0.35rem 0.6rem;
  margin: 0;
  border: 1px solid var(--border, #E1E5EF);
  border-radius: var(--radius-md, 8px);
  background: #f8fafc;
  color: var(--text-main, #1E2430);
  cursor: pointer;
  flex-shrink: 0;
}

.followup-auto-toggle-label {
  font-size: 0.8rem;
  font-weight: 700;
  white-space: nowrap;
}

.followup-auto-toggle .form-check-input {
  width: 2.4rem;
  height: 1.25rem;
  margin: 0;
  cursor: pointer;
  flex-shrink: 0;
}

.followup-auto-toggle .form-check-input:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.followup-emergency-banner {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-bottom: 1px solid rgba(210, 85, 90, 0.2);
  background: rgba(210, 85, 90, 0.08);
  color: var(--color-danger, #D2555A);
  font-size: 0.82rem;
  font-weight: 700;
}

.followup-emergency-banner i {
  flex-shrink: 0;
}

.followup-editor-actions {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

/* ============ Tabs ============ */
.followup-editor-tabs {
  display: flex;
  gap: 0.25rem;
  padding: 0 1.25rem;
  border-bottom: 1px solid var(--border, #E1E5EF);
  background: #f9fafc;
}

.followup-tab {
  padding: 0.7rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-sub, #5C6372);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: -1px;
}

.followup-tab:hover {
  color: var(--color-primary, #4A6FA5);
}

.followup-tab.active {
  color: var(--color-primary, #4A6FA5);
  border-bottom-color: var(--color-primary, #4A6FA5);
  background: var(--bg-card, #fff);
}

.followup-editor-body {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem;
}

.followup-tab-content {
  display: none;
}

.followup-tab-content.active {
  display: block;
}

/* ============ Settings Section ============ */
.followup-settings-section {
  max-width: 720px;
}

.settings-group {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border, #E1E5EF);
}

.settings-group:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.settings-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-sub, #5C6372);
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.settings-hint {
  font-size: 0.8rem;
  color: var(--text-muted, #8B92A3);
  margin-top: 0.35rem;
}

/* ============ Buttons ============ */
.followup-btn {
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-md, 8px);
  border: none;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition-base);
}

.followup-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.followup-btn-primary {
  background: var(--color-primary, #4A6FA5);
  color: #fff;
}

.followup-btn-primary:hover:not(:disabled) {
  background: var(--color-primary-dark, #365983);
}

.followup-btn-secondary {
  background: transparent;
  border: 1px solid var(--border, #E1E5EF);
  color: var(--text-main, #1E2430);
}

.followup-btn-secondary:hover:not(:disabled) {
  background: rgba(0, 0, 0, 0.03);
}

.followup-btn-danger {
  background: transparent;
  border: 1px solid var(--color-danger, #D2555A);
  color: var(--color-danger, #D2555A);
}

.followup-btn-danger:hover:not(:disabled) {
  background: rgba(210, 85, 90, 0.06);
}

/* ============ Messages Layout ============ */
.followup-messages-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 1.5rem;
  align-items: start;
}

.followup-messages-editor {
  min-width: 0;
}

/* ============ Preview Panel ============ */
.followup-preview-panel {
  background: #f3f4f8;
  border: 1px solid var(--border, #E1E5EF);
  border-radius: var(--radius-lg, 10px);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  max-height: 70vh;
  position: sticky;
  top: 0.5rem;
}

.followup-preview-header {
  padding: 0.75rem 1rem;
  background: #e8eaf0;
  border-bottom: 1px solid var(--border, #E1E5EF);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-sub, #5C6372);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.followup-preview-body {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.followup-preview-empty {
  text-align: center;
  color: var(--text-muted, #8B92A3);
  font-size: 0.85rem;
  padding: 2rem 0.5rem;
}

/* Chat bubbles */
.followup-chat-bubble {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
  max-width: 92%;
}

.followup-chat-bubble.assistant {
  align-items: flex-start;
}

.followup-chat-time {
  font-size: 0.65rem;
  color: var(--text-muted, #8B92A3);
  margin-left: 0.3rem;
}

.followup-chat-content {
  background: var(--bg-card, #fff);
  border: 1px solid var(--border, #E1E5EF);
  border-radius: 12px;
  border-top-left-radius: 2px;
  padding: 0.6rem 0.85rem;
  font-size: 0.85rem;
  color: var(--text-main, #1E2430);
  word-break: break-word;
  white-space: pre-line;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}

.followup-chat-content img {
  max-width: 100%;
  border-radius: 8px;
  margin-top: 0.35rem;
}

.followup-chat-divider {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  color: var(--text-muted, #8B92A3);
  margin: 0.25rem 0;
  align-self: center;
}

.followup-chat-divider::before,
.followup-chat-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border, #E1E5EF);
  min-width: 24px;
}

/* ============ Compact Rounds ============ */
.followup-rounds-container {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.followup-round-compact {
  background: var(--bg-card, #fff);
  border: 1px solid var(--border, #E1E5EF);
  border-radius: var(--radius-md, 8px);
  overflow: hidden;
  transition: var(--transition-base);
}

.followup-round-compact:hover {
  border-color: #c8cdd9;
}

.followup-round-compact.is-expanded {
  border-color: var(--color-primary, #4A6FA5);
  box-shadow: 0 0 0 3px rgba(74, 111, 165, 0.08);
}

.followup-round-compact.is-duplicate {
  border-color: var(--color-warning, #DFA94B);
}

.followup-round-summary {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 42px;
  padding: 0.46rem 0.7rem;
  cursor: pointer;
  user-select: none;
}

.followup-round-summary .round-index {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-primary, #4A6FA5);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  flex-shrink: 0;
}

.followup-round-summary .round-delay {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-main, #1E2430);
  white-space: nowrap;
}

.followup-round-summary .round-delay-label {
  font-size: 0.68rem;
  color: var(--text-muted, #8B92A3);
  white-space: nowrap;
}

.followup-round-summary .round-preview {
  flex: 1;
  min-width: 0;
  font-size: 0.78rem;
  color: var(--text-main, #1E2430);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.followup-round-summary .round-meta {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex-shrink: 0;
}

.followup-round-summary .round-meta .badge {
  font-size: 0.62rem;
  font-weight: 600;
  padding: 0.2rem 0.35rem;
}

.followup-round-summary .round-toggle {
  color: var(--text-muted, #8B92A3);
  font-size: 0.8rem;
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.followup-round-compact.is-expanded .round-toggle {
  transform: rotate(180deg);
}

.followup-round-detail {
  display: none;
  padding: 0.5rem 0.7rem 0.65rem;
  border-top: 1px solid var(--border, #E1E5EF);
  background: #fbfcff;
}

.followup-round-compact.is-expanded .followup-round-detail {
  display: block;
}

/* Detail controls */
.round-detail-delay {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.45rem;
  padding-bottom: 0.45rem;
  border-bottom: 1px dashed rgba(139, 146, 163, 0.24);
}

.round-detail-delay .form-control {
  width: 74px;
  max-width: 74px;
  height: 28px;
  padding: 0.2rem 0.35rem;
  text-align: right;
}

.round-detail-delay .delay-label,
.round-detail-delay .delay-unit,
.round-detail-delay .delay-context {
  font-size: 0.74rem;
  line-height: 1.2;
  white-space: nowrap;
}

.round-detail-delay .delay-label {
  font-weight: 700;
  color: var(--text-main, #1E2430);
}

.round-detail-delay .delay-unit,
.round-detail-delay .delay-context {
  color: var(--text-muted, #8B92A3);
}

/* Items inside expanded round */
.followup-round-items {
  display: flex;
  flex-direction: column;
  gap: 0.42rem;
  margin-bottom: 0.55rem;
}

.followup-item-row {
  display: flex;
  align-items: flex-start;
  gap: 0.45rem;
  background: var(--bg-card, #fff);
  border: 1px solid #d7deeb;
  border-left: 3px solid rgba(74, 111, 165, 0.75);
  border-radius: var(--radius-md, 8px);
  padding: 0.45rem 0.55rem;
  box-shadow: 0 1px 1px rgba(30, 36, 48, 0.04);
}

.followup-item-handle {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  flex-shrink: 0;
  padding-top: 0.1rem;
}

.followup-item-handle button {
  width: 20px;
  height: 20px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  border-radius: 4px;
}

.followup-item-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary, #4A6FA5);
  background: rgba(74, 111, 165, 0.1);
  border-radius: 6px;
  font-size: 0.78rem;
  margin-top: 0.05rem;
}

.followup-item-body {
  flex: 1;
  min-width: 0;
}

.followup-item-body textarea {
  resize: vertical;
}

.followup-item-body .followup-item-text {
  min-height: 96px;
  padding: 0.38rem 0.5rem;
  line-height: 1.35;
}

.followup-item-thumb {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: var(--radius-md, 8px);
  border: 1px solid var(--border, #E1E5EF);
  flex-shrink: 0;
}

.followup-item-actions {
  flex-shrink: 0;
  padding-top: 0.1rem;
}

.followup-item-actions button {
  width: 24px;
  height: 24px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  border-radius: 4px;
}

.followup-round-add-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.round-detail-footer {
  display: flex;
  justify-content: flex-end;
  padding-top: 0.4rem;
}

/* ============ Image Library ============ */
.followup-image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem;
}

.followup-image-card {
  background: var(--bg-card, #fff);
  border: 1px solid var(--border, #E1E5EF);
  border-radius: var(--radius-lg, 10px);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition-base);
}

.followup-image-card:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.followup-image-card img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-bottom: 1px solid var(--border, #E1E5EF);
}

.followup-image-card .image-meta {
  padding: 0.6rem 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.followup-image-card .image-name {
  font-size: 0.75rem;
  color: var(--text-sub, #5C6372);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.followup-image-card .image-action {
  background: none;
  border: none;
  color: var(--text-muted, #8B92A3);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 4px;
}

.followup-image-card .image-action:hover {
  background: rgba(0, 0, 0, 0.04);
  color: var(--color-danger, #D2555A);
}

/* ============ Toast ============ */
.alert-toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 1080;
}

.alert-toast {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  background: var(--bg-card, #fff);
  border: 1px solid var(--border, #E1E5EF);
  border-left: 3px solid var(--color-primary, #4A6FA5);
  border-radius: var(--radius-lg, 10px);
  box-shadow: var(--shadow-soft, 0 1px 3px rgba(0,0,0,0.06));
  padding: 0.75rem 0.9rem;
  min-width: 260px;
  max-width: 360px;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.22s ease, transform 0.22s ease;
}

.alert-toast.show {
  opacity: 1;
  transform: translateY(0);
}

.alert-toast.hide {
  opacity: 0;
  transform: translateY(6px);
}

.alert-toast-icon {
  color: var(--color-primary, #4A6FA5);
  font-size: 1rem;
  line-height: 1;
  flex-shrink: 0;
}

.alert-toast-content {
  flex: 1;
}

.alert-toast-message {
  font-size: 0.875rem;
  color: var(--text-main, #1E2430);
}

.alert-toast-close {
  background: none;
  border: none;
  color: var(--text-muted, #8B92A3);
  padding: 0.25rem;
  border-radius: 6px;
  cursor: pointer;
  flex-shrink: 0;
}

.alert-toast-close:hover {
  background: rgba(0, 0, 0, 0.04);
  color: var(--text-main, #1E2430);
}

.alert-toast-success { border-left-color: var(--color-success, #2D8F6F); }
.alert-toast-success .alert-toast-icon { color: var(--color-success, #2D8F6F); }
.alert-toast-danger { border-left-color: var(--color-danger, #D2555A); }
.alert-toast-danger .alert-toast-icon { color: var(--color-danger, #D2555A); }
.alert-toast-warning { border-left-color: var(--color-warning, #DFA94B); }
.alert-toast-warning .alert-toast-icon { color: var(--color-warning, #DFA94B); }
.alert-toast-info { border-left-color: var(--color-info, #3D7FC1); }
.alert-toast-info .alert-toast-icon { color: var(--color-info, #3D7FC1); }

/* ============ Responsive ============ */
@media (max-width: 991.98px) {
  .followup-layout {
    flex-direction: column;
    gap: 1rem;
  }

  .followup-sidebar {
    width: 100%;
    max-height: 260px;
  }

  .followup-page-list {
    max-height: 160px;
  }

  .followup-messages-layout {
    grid-template-columns: 1fr;
  }

  .followup-preview-panel {
    position: static;
    max-height: 420px;
    order: -1;
  }
}

@media (max-width: 575.98px) {
  .followup-editor-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .followup-editor-meta,
  .followup-header-controls {
    width: 100%;
  }

  .followup-header-controls {
    justify-content: space-between;
    flex-wrap: wrap;
  }

  .followup-editor-actions {
    flex: 1 1 180px;
  }

  .followup-editor-actions .followup-btn {
    flex: 1;
    justify-content: center;
  }

  .followup-editor-tabs {
    overflow-x: auto;
    white-space: nowrap;
    padding: 0 0.75rem;
  }

  .followup-tab {
    padding: 0.6rem 0.75rem;
  }

  .followup-editor-body {
    padding: 1rem;
  }

  .followup-round-summary {
    flex-wrap: wrap;
    gap: 0.4rem;
  }

  .followup-round-summary .round-preview {
    width: 100%;
    order: 3;
  }
}