/**
 * FilterCraft PRO — Hierarchical (Cascading) Dropdown styles.
 *
 * @package FilterCraft
 */

/* ── Container ───────────────────────────────────────────────────── */
.fc-hierarchical-dropdown {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* ── Individual level ────────────────────────────────────────────── */
.fc-hdrop-level {
  overflow: hidden;
  transition: max-height 0.3s ease, opacity 0.3s ease;
  opacity: 0;
  max-height: 0;
  pointer-events: none;
}

/* Level 0 is always visible */
.fc-hdrop-level--0 {
  opacity: 1;
  max-height: none;
  pointer-events: auto;
}

/* Active = visible */
.fc-hdrop-level--active {
  opacity: 1;
  max-height: none;
  pointer-events: auto;
}

/* Permanently hidden when taxonomy has < 2 levels */
.fc-hdrop-level--hidden {
  display: none !important;
}

/* ── Select element ──────────────────────────────────────────────── */
.fc-hdrop-select {
  width: 100%;
  padding: 8px 32px 8px 12px;
  font-size: 0.875rem;
  font-family: inherit;
  color: var(--fc-text, #1a202c);
  background-color: var(--fc-input-bg, #ffffff);
  border: 1px solid var(--fc-border, #d1d5db);
  border-radius: var(--fc-radius, 6px);
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  line-height: 1.4;
}

.fc-hdrop-select:focus {
  outline: none;
  border-color: var(--fc-primary, #3b82f6);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.18);
}

.fc-hdrop-select:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  background-color: var(--fc-disabled-bg, #f3f4f6);
}

/* ── Indentation indicator for child levels ─────────────────────── */
.fc-hdrop-level--1 .fc-hdrop-select {
  padding-left: 20px;
  border-left: 3px solid var(--fc-primary, #3b82f6);
  background-color: var(--fc-child-bg, #f8fafc);
}

.fc-hdrop-level--2 .fc-hdrop-select {
  padding-left: 28px;
  border-left: 3px solid var(--fc-secondary, #8b5cf6);
  background-color: var(--fc-grandchild-bg, #faf5ff);
}

/* ── Depth connector arrows ─────────────────────────────────────── */
.fc-hdrop-level--1::before,
.fc-hdrop-level--2::before {
  content: '';
  display: block;
  width: 12px;
  height: 12px;
  border-left: 2px solid var(--fc-border, #d1d5db);
  border-bottom: 2px solid var(--fc-border, #d1d5db);
  margin-left: 6px;
  margin-bottom: -4px;
  border-radius: 0 0 0 4px;
}

.fc-hdrop-level--1.fc-hdrop-level--active::before,
.fc-hdrop-level--2.fc-hdrop-level--active::before {
  border-color: var(--fc-primary, #3b82f6);
}

/* ── Animation: slide-in on activation ─────────────────────────── */
@keyframes fcHdropSlideIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fc-hdrop-level--active:not(.fc-hdrop-level--0) {
  animation: fcHdropSlideIn 0.25s ease forwards;
}

/* ── Dark mode support ──────────────────────────────────────────── */
@media (prefers-color-scheme: dark) {
  .fc-hdrop-select {
    background-color: var(--fc-input-bg, #1e293b);
    color: var(--fc-text, #f1f5f9);
    border-color: var(--fc-border, #334155);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  }
  .fc-hdrop-select:disabled {
    background-color: var(--fc-disabled-bg, #0f172a);
  }
  .fc-hdrop-level--1 .fc-hdrop-select {
    background-color: var(--fc-child-bg, #1e293b);
  }
  .fc-hdrop-level--2 .fc-hdrop-select {
    background-color: var(--fc-grandchild-bg, #1a1135);
  }
}