/* Viralin Premium Select / Searchable Combobox
   Auto-upgrades <select class="form-control"> into modern dropdowns
   Supports: search, groups, metadata, dark/light theme
   ------------------------------------------------------------ */

.vs-wrapper {
  position: relative;
  width: 100%;
  font-family: inherit;
}

.vs-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
  min-height: 40px;
  padding: 8px 12px;
  background: var(--bg-card, #1a1a2e);
  border: 1px solid var(--border, rgba(255,255,255,0.08));
  border-radius: 10px;
  color: var(--text-primary, #e8e8f0);
  font-size: 13px;
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.vs-trigger:hover {
  border-color: var(--accent, #2563eb);
}

.vs-trigger:focus,
.vs-trigger.vs-open {
  outline: none;
  border-color: var(--accent, #2563eb);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.vs-trigger-text {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.vs-trigger-placeholder {
  color: var(--text-muted, rgba(255,255,255,0.35));
}

.vs-chevron {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  opacity: 0.5;
  transition: transform 0.2s;
}

.vs-open .vs-chevron {
  transform: rotate(180deg);
}

/* Dropdown panel */
.vs-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  z-index: 9999;
  background: var(--bg-card, #1a1a2e);
  border: 1px solid var(--border, rgba(255,255,255,0.1));
  border-radius: 12px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), 0 4px 12px rgba(0, 0, 0, 0.2);
  overflow: hidden;
  opacity: 0;
  transform: translateY(-4px);
  pointer-events: none;
  transition: opacity 0.15s, transform 0.15s;
}

.vs-dropdown.vs-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* Dropup (when near bottom) */
.vs-dropdown.vs-dropup {
  top: auto;
  bottom: calc(100% + 4px);
  transform: translateY(4px);
}
.vs-dropdown.vs-dropup.vs-visible {
  transform: translateY(0);
}

/* Search input */
.vs-search-wrap {
  padding: 8px;
  border-bottom: 1px solid var(--border, rgba(255,255,255,0.06));
}

.vs-search {
  width: 100%;
  padding: 8px 12px 8px 32px;
  background: var(--bg-hover, rgba(255,255,255,0.04));
  border: 1px solid var(--border, rgba(255,255,255,0.08));
  border-radius: 8px;
  color: var(--text-primary, #e8e8f0);
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s;
  box-sizing: border-box;
}

.vs-search:focus {
  border-color: var(--accent, #2563eb);
}

.vs-search-wrap {
  position: relative;
}

.vs-search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  opacity: 0.4;
  pointer-events: none;
}

/* Options list */
.vs-options {
  max-height: 240px;
  overflow-y: auto;
  padding: 4px;
  scroll-behavior: smooth;
}

.vs-options::-webkit-scrollbar {
  width: 4px;
}

.vs-options::-webkit-scrollbar-track {
  background: transparent;
}

.vs-options::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

/* Option item */
.vs-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.12s;
  font-size: 13px;
  color: var(--text-primary, #e8e8f0);
}

.vs-option:hover,
.vs-option.vs-focused {
  background: var(--bg-hover, rgba(255,255,255,0.06));
}

.vs-option.vs-selected {
  background: rgba(37, 99, 235, 0.12);
  color: var(--accent, #60a5fa);
  font-weight: 500;
}

.vs-option.vs-selected::after {
  content: '';
  display: inline-block;
  width: 14px;
  height: 14px;
  margin-left: auto;
  flex-shrink: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2360a5fa' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
}

.vs-option-text {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.vs-option-meta {
  font-size: 11px;
  color: var(--text-muted, rgba(255,255,255,0.4));
  flex-shrink: 0;
}

.vs-option.vs-disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

/* Group header */
.vs-group-label {
  padding: 8px 12px 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted, rgba(255,255,255,0.35));
}

.vs-group-label:not(:first-child) {
  margin-top: 4px;
  border-top: 1px solid var(--border, rgba(255,255,255,0.06));
  padding-top: 10px;
}

/* Empty state */
.vs-empty {
  padding: 16px;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted, rgba(255,255,255,0.35));
}

/* Small variant for inline/table selects */
.vs-wrapper.vs-sm .vs-trigger {
  min-height: 32px;
  padding: 4px 8px;
  font-size: 12px;
  border-radius: 6px;
}

.vs-wrapper.vs-sm .vs-option {
  padding: 6px 8px;
  font-size: 12px;
}

.vs-wrapper.vs-sm .vs-dropdown {
  border-radius: 8px;
}

/* No-search variant for small lists */
.vs-no-search .vs-search-wrap {
  display: none;
}

/* Disabled state */
.vs-wrapper.vs-disabled .vs-trigger {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Light theme compat */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .vs-trigger {
    background: #fff;
    border-color: #e2e8f0;
    color: #1a202c;
  }
  :root:not([data-theme="dark"]) .vs-dropdown {
    background: #fff;
    border-color: #e2e8f0;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
  }
  :root:not([data-theme="dark"]) .vs-search {
    background: #f7fafc;
    border-color: #e2e8f0;
    color: #1a202c;
  }
  :root:not([data-theme="dark"]) .vs-option:hover,
  :root:not([data-theme="dark"]) .vs-option.vs-focused {
    background: #f7fafc;
  }
  :root:not([data-theme="dark"]) .vs-option.vs-selected {
    background: rgba(37, 99, 235, 0.06);
  }
}