/**
 * /assets/css/admin-tabs.css
 *
 * Purpose:  Admin Tab-Konfiguration – Page-Select, sortable Tab-Rows,
 *           Icon Picker (Font Awesome + Custom SVG), Edit Modal
 * Deps:     app.css (variables), admin-sections.css
 * Load:     index.php
 * Version:  1.0.0
 */

/* ═══════════════════════════════════════════
   Page Type Selection Buttons
   ═══════════════════════════════════════════ */
.admin-tabs-page-btn {
  padding: 0.5rem 1rem;
  font-size: 0.82rem;
  border-radius: 0.5rem;
  transition: all 0.2s ease;
}
.admin-tabs-page-btn.--active {
  background: rgba(93,214,201,0.12);
  border-color: var(--accent, #5dd6c9);
  color: var(--accent, #5dd6c9);
  box-shadow: 0 0 12px rgba(93,214,201,0.15);
}
.admin-tabs-page-btn:hover:not(.--active) {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.3);
}

/* ═══════════════════════════════════════════
   Sortable Tab Rows
   ═══════════════════════════════════════════ */
.admin-tabs-sortable {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.admin-tab-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-left: 3px solid rgba(93,214,201,0.3);
  border-radius: 0.375rem;
  font-size: 0.82rem;
  transition: all 0.2s ease;
  cursor: default;
  min-height: 42px;
}
.admin-tab-row:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.12);
  border-left-color: var(--accent, #5dd6c9);
}
.admin-tab-row.--dragging {
  opacity: 0.4;
}
.admin-tab-row.--drag-over {
  border-top: 2px solid var(--accent, #5dd6c9);
  margin-top: -2px;
}

.admin-tab-row__drag {
  color: rgba(255,255,255,0.25);
  cursor: grab;
  padding: 0 0.15rem;
  font-size: 0.75rem;
}
.admin-tab-row__drag:hover {
  color: rgba(255,255,255,0.5);
}
.admin-tab-row__drag:active {
  cursor: grabbing;
}

.admin-tab-row__icon {
  width: 24px;
  text-align: center;
  color: var(--accent, #5dd6c9);
  font-size: 0.9rem;
}
.admin-tab-row__icon svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}
.admin-tab-custom-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.admin-tab-custom-icon svg {
  width: inherit;
  height: inherit;
  fill: currentColor;
}

.admin-tab-row__label {
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  white-space: nowrap;
}

.admin-tab-row__id {
  font-size: 0.7rem;
  font-family: monospace;
  white-space: nowrap;
}

.admin-tab-row__actions {
  display: flex;
  gap: 0.25rem;
  opacity: 0;
  transition: opacity 0.15s ease;
}
.admin-tab-row:hover .admin-tab-row__actions {
  opacity: 1;
}

/* ═══════════════════════════════════════════
   Modal Content (Glassmorphism)
   ═══════════════════════════════════════════ */
.admin-tab-modal-content {
  background: rgba(30,30,45,0.92);
  backdrop-filter: blur(12px) saturate(1.3);
  -webkit-backdrop-filter: blur(12px) saturate(1.3);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 1rem;
  color: rgba(255,255,255,0.9);
}
.admin-tab-modal-content .modal-header {
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.admin-tab-modal-content .modal-footer {
  border-top: 1px solid rgba(255,255,255,0.06);
}
.admin-tab-modal-content .form-label {
  color: rgba(255,255,255,0.7);
}
.admin-tab-modal-content .form-text {
  color: rgba(255,255,255,0.4) !important;
}

/* ═══════════════════════════════════════════
   Edit Modal Overrides
   ═══════════════════════════════════════════ */
.admin-tab-icon-preview {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 0.5rem;
  font-size: 1.1rem;
  color: var(--accent, #5dd6c9);
  flex-shrink: 0;
}
.admin-tab-icon-preview svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* ═══════════════════════════════════════════
   Picker Nav (FA / Custom tabs)
   ═══════════════════════════════════════════ */
.admin-tab-picker-nav .nav-link {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.6);
  padding: 0.35rem 0.75rem;
  border-radius: 0.375rem;
  font-size: 0.78rem;
  transition: all 0.2s;
}
.admin-tab-picker-nav .nav-link.active {
  background: rgba(93,214,201,0.12);
  border-color: rgba(93,214,201,0.3);
  color: var(--accent, #5dd6c9);
}
.admin-tab-picker-nav .nav-link:hover:not(.active) {
  background: rgba(255,255,255,0.05);
}

/* FA Style filter buttons */
.admin-fa-style-btn {
  font-size: 0.7rem;
  padding: 0.2rem 0.5rem;
  border-radius: 1rem;
}
.admin-fa-style-btn.--active {
  background: rgba(93,214,201,0.12);
  border-color: var(--accent, #5dd6c9);
  color: var(--accent, #5dd6c9);
}

/* ═══════════════════════════════════════════
   Icon Grid (shared for FA + Custom)
   ═══════════════════════════════════════════ */
.admin-tab-icon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(64px, 1fr));
  gap: 4px;
  max-height: 320px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.1) transparent;
  padding: 2px;
}
.admin-tab-icon-grid::-webkit-scrollbar {
  width: 4px;
}
.admin-tab-icon-grid::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.12);
  border-radius: 2px;
}

.admin-tab-icon-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 6px 2px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 0.375rem;
  cursor: pointer;
  transition: all 0.15s ease;
  min-height: 60px;
}
.admin-tab-icon-cell:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.2);
  transform: translateY(-1px);
}
.admin-tab-icon-cell.--selected {
  background: rgba(93,214,201,0.12);
  border-color: var(--accent, #5dd6c9);
  box-shadow: 0 0 8px rgba(93,214,201,0.2);
}

.admin-tab-icon-cell__icon {
  font-size: 1.3rem;
  color: rgba(255,255,255,0.85);
  line-height: 1;
}
.admin-tab-icon-cell__icon svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}
.admin-tab-icon-cell.--selected .admin-tab-icon-cell__icon {
  color: var(--accent, #5dd6c9);
}

.admin-tab-icon-cell__name {
  font-size: 0.55rem;
  color: rgba(255,255,255,0.45);
  text-align: center;
  line-height: 1.1;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 0 2px;
}

/* ═══════════════════════════════════════════
   Icon Picker Container
   ═══════════════════════════════════════════ */
.admin-tab-icon-picker {
  background: rgba(0,0,0,0.15);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 0.5rem;
  padding: 0.75rem;
}

/* ═══════════════════════════════════════════
   Responsive
   ═══════════════════════════════════════════ */
@media (max-width: 576px) {
  .admin-tabs-page-btn {
    padding: 0.4rem 0.6rem;
    font-size: 0.75rem;
  }
  .admin-tab-row {
    padding: 0.4rem 0.5rem;
    font-size: 0.78rem;
  }
  .admin-tab-row__id {
    display: none;
  }
  .admin-tab-row__actions {
    opacity: 1;
  }
  .admin-tab-icon-grid {
    grid-template-columns: repeat(auto-fill, minmax(54px, 1fr));
  }
}

/* ═══════════════════════════════════════════
   Reduced Motion
   ═══════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  .admin-tab-row,
  .admin-tabs-page-btn,
  .admin-tab-icon-cell,
  .admin-tab-picker-nav .nav-link {
    transition: none;
  }
  .admin-tab-icon-cell:hover {
    transform: none;
  }
}