maud-ui 0.1.0

/* Combobox component — filterable select (command-palette feel) */

.mui-combobox {
  display: inline-block;
  position: relative;
}

.mui-combobox__trigger {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  min-width: 12rem;
  height: 2.25rem;
  padding: 0 0.75rem;
  background: transparent;
  color: var(--mui-text);
  border: 1px solid var(--mui-border);
  border-radius: var(--mui-radius-md);
  font-family: inherit;
  font-size: 0.875rem;
  line-height: 1.25;
  cursor: pointer;
  transition: var(--mui-transition);
  box-sizing: border-box;
}

.mui-combobox__trigger:hover:not(:disabled) {
  border-color: var(--mui-border-hover);
}

.mui-combobox__trigger:focus-visible {
  outline: none;
  border-color: transparent;
  box-shadow: 0 0 0 2px var(--mui-bg), 0 0 0 4px var(--mui-border-focus);
}

.mui-combobox__trigger:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.mui-combobox__value {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mui-combobox__chevron {
  font-size: 0.625rem;
  color: var(--mui-text-muted);
  transition: transform var(--mui-transition);
  flex-shrink: 0;
}

.mui-combobox__trigger[aria-expanded="true"] .mui-combobox__chevron {
  transform: rotate(180deg);
}

/* Dropdown panel — command-palette style: clean, no heavy borders */

.mui-combobox__dropdown {
  position: absolute;
  top: calc(100% + 0.25rem);
  left: 0;
  min-width: 100%;
  background: var(--mui-bg-card);
  border: 1px solid var(--mui-border);
  border-radius: var(--mui-radius-lg);
  box-shadow: var(--mui-shadow-md);
  z-index: 50;
  overflow: hidden;
  /* Animate in */
  animation: mui-cb-enter 150ms cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes mui-cb-enter {
  from {
    opacity: 0;
    transform: translateY(-4px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.mui-combobox__dropdown[hidden] {
  display: none;
}

/* Search input — NO visible border, just text + subtle icon area.
   Matches shadcn Command palette search: borderless, separator below. */

.mui-combobox__search-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 0.75rem;
  border-bottom: 1px solid var(--mui-border);
}

.mui-combobox__search-icon {
  color: var(--mui-text-muted);
  font-size: 0.875rem;
  flex-shrink: 0;
}

.mui-combobox__search {
  flex: 1;
  display: block;
  width: 100%;
  height: auto;
  padding: 0;
  background: transparent;
  color: var(--mui-text);
  border: none;
  outline: none;
  font-family: inherit;
  font-size: 0.875rem;
  line-height: 1.5;
  box-sizing: border-box;
}

.mui-combobox__search::placeholder {
  color: var(--mui-text-muted);
}

/* Option list */

.mui-combobox__list {
  overflow-y: auto;
  max-height: 12rem;
  padding: 0.25rem;
}

/* Options — comfortable click targets (min 2rem height) */

.mui-combobox__option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2rem;
  padding: 0.375rem 0.5rem;
  cursor: pointer;
  border-radius: var(--mui-radius-sm);
  font-size: 0.875rem;
  transition: background var(--mui-transition);
  position: relative;
}

.mui-combobox__option:hover {
  background: var(--mui-bg-input);
}

.mui-combobox__option--selected {
  font-weight: 500;
}

.mui-combobox__option--highlighted {
  background: var(--mui-bg-input);
}

/* Checkmark — accent-colored, hidden until selected */

.mui-combobox__check {
  display: none;
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  color: var(--mui-accent);
  font-size: 0.75rem;
  line-height: 1rem;
  text-align: center;
}

.mui-combobox__option--selected .mui-combobox__check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.mui-combobox__option-label {
  flex: 1;
}

/* Empty state — centered, muted, generous padding */

.mui-combobox__empty {
  padding: 2rem 1rem;
  text-align: center;
  color: var(--mui-text-muted);
  font-size: 0.875rem;
}

.mui-combobox__empty[hidden] {
  display: none;
}

/* Hidden input */

.mui-combobox__hidden {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  width: 0;
  height: 0;
}

/* Mobile: trigger spans full width; dropdown clamps to viewport */
@media (max-width: 640px) {
  .mui-combobox {
    display: block;
    width: 100%;
  }

  .mui-combobox__trigger {
    min-width: 0;
    width: 100%;
  }

  .mui-combobox__dropdown {
    left: 0;
    right: 0;
    max-width: 100%;
  }
}