/* ==========================================================================
   components/dropdown.css — Dropdown Menu
   ========================================================================== */

.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 300px;
  max-width: calc(100vw - var(--space-6));
  max-height: 380px;
  overflow-y: auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-dropdown);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
}
.dropdown.is-open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu-right { right: 0; left: auto; }
.dropdown-menu-left  { left: 0; right: auto; }

.dropdown-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-3) var(--space-4);
  text-align: left;
  color: var(--color-text);
  transition: var(--transition-fast);
  border-bottom: 1px solid var(--color-border);
}
.dropdown-item:last-child { border-bottom: none; }
.dropdown-item:hover { background: var(--color-surface-2); }

.dropdown-item-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: 16px;
  background: var(--color-surface-2);
  color: var(--color-text-muted);
}
.dropdown-item-icon.offline {
  background: var(--color-danger-bg);
  color: var(--color-danger);
}

.dropdown-item-text {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
  overflow: hidden;
}
.dropdown-item-text .t-name {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.dropdown-item-text .t-hint {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.dropdown-empty {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-5) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  justify-content: center;
}
.dropdown-empty i {
  color: var(--color-success);
  font-size: 18px;
}