/* Self-contained custom select. Hosts can theme via these CSS variables:
   --cs-border, --cs-border-active, --cs-bg, --cs-bg-hover, --cs-text,
   --cs-arrow, --cs-shadow, --cs-min-width, --cs-options-max-width. */
.custom-select { position: relative; display: inline-flex; align-items: center; cursor: pointer; user-select: none; font: inherit; }
.custom-select-display {
  padding: 0.5rem 1.75rem 0.5rem 0.75rem;
  border: 1px solid var(--cs-border, #ddd);
  border-radius: 4px;
  background: var(--cs-bg, #fff);
  color: var(--cs-text, inherit);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  position: relative;
  min-width: var(--cs-min-width, auto);
  font-size: 0.875rem;
}
.custom-select-display::after {
  content: ''; position: absolute;
  right: 0.625rem; top: 50%;
  border: 4px solid transparent;
  border-top: 5px solid var(--cs-arrow, #999);
  transform: translateY(-25%);
  transition: transform 0.2s ease;
  pointer-events: none;
}
.custom-select.open .custom-select-display::after { transform: translateY(-75%) rotate(180deg); }
.custom-select.open .custom-select-display {
  border-radius: 4px 4px 0 0;
  border-color: var(--cs-border-active, #111);
}
.custom-select-options {
  display: none;
  position: absolute; top: 100%; left: 0;
  min-width: 100%; width: max-content;
  max-width: var(--cs-options-max-width, max(100%, 28rem));
  background: var(--cs-bg, #fff);
  border: 1px solid var(--cs-border, #ddd); border-top: none;
  border-radius: 0 0 4px 4px;
  box-shadow: var(--cs-shadow, 0 4px 12px rgba(0,0,0,0.1));
  z-index: 30;
  max-height: 220px; overflow-y: auto; overflow-x: hidden;
}
.custom-select.open .custom-select-options { display: block; animation: cs-in 0.15s ease; }
.custom-select-option { padding: 0.5rem 0.75rem; cursor: pointer; font-size: 0.875rem; }
.custom-select-option:hover { background: var(--cs-bg-hover, #f3f4f6); }
.custom-select-option.selected { background: var(--cs-bg-hover, #f3f4f6); font-weight: 600; }
.custom-select-search-wrap {
  position: sticky; top: 0; z-index: 1;
  background: var(--cs-bg, #fff);
  padding: 0.375rem 0.5rem;
  border-bottom: 1px solid var(--cs-border, #ddd);
}
.custom-select-search {
  width: 100%; box-sizing: border-box;
  padding: 0.375rem 0.5rem;
  border: 1px solid var(--cs-border, #ddd); border-radius: 4px;
  font: inherit; font-size: 0.875rem;
  background: var(--cs-bg, #fff); color: var(--cs-text, inherit);
}
.custom-select-search:focus { outline: none; border-color: var(--cs-border-active, #111); }
@keyframes cs-in { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }