@layer cinder.tokens, cinder.foundation, cinder.components, cinder.utilities;

@layer cinder.components {
  .cinder-multi-select {
    display: flex;
    flex-direction: column;
    gap: var(--cinder-space-1-5);
    position: relative;
  }

  .cinder-multi-select__label {
    display: inline-flex;
    align-items: center;
    gap: var(--cinder-space-1);
    font-size: var(--cinder-text-xs);
    font-weight: var(--cinder-font-medium);
    line-height: 1;
    color: var(--cinder-text-default);
  }

  .cinder-multi-select__label[data-disabled] {
    color: var(--cinder-text-disabled);
    cursor: not-allowed;
  }

  .cinder-multi-select__trigger {
    display: flex;
    align-items: center;
    width: 100%;
    min-height: var(--cinder-control-height-sm, 2rem);
    gap: var(--cinder-space-2);
    padding: var(--cinder-space-1-5) var(--cinder-space-3);
    color: var(--cinder-text-default);
    background: var(--cinder-surface-raised);
    border-color: var(--cinder-border);
    text-align: left;
    cursor: pointer;
  }

  .cinder-multi-select__trigger[data-cinder-has-clear] {
    padding-inline-end: 3.75rem;
  }

  .cinder-multi-select__control {
    position: relative;
  }

  .cinder-multi-select__trigger:focus-visible {
    outline: var(--cinder-ring-width) solid transparent;
    /* Ring replaces the border while focused rather than stacking on it — the two
       together read as one heavier shape than either was designed to be. */
    border-color: transparent;
    box-shadow: var(--_cinder-focus-ring-shadow);
  }

  .cinder-multi-select__trigger:disabled {
    background: var(--cinder-surface-inset);
    color: var(--cinder-text-disabled);
    border-color: var(--cinder-border-muted);
    cursor: not-allowed;
  }

  .cinder-multi-select__trigger[aria-invalid='true'],
  .cinder-multi-select__trigger[data-cinder-invalid='true'] {
    border-color: var(--cinder-status-danger-solid);
  }

  .cinder-multi-select__summary {
    flex: 1 1 auto;
    min-width: 0;
    font-size: var(--cinder-text-sm);
  }

  .cinder-multi-select__count {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.25rem;
    height: 1.25rem;
    border-radius: var(--cinder-radius-full);
    padding: 0 var(--cinder-space-1);
    background: color-mix(in oklab, var(--cinder-accent-solid) 14%, transparent);
    color: var(--cinder-accent-text);
    font-size: var(--cinder-text-xs);
    font-weight: var(--cinder-font-semibold);
    line-height: 1;
  }

  .cinder-multi-select__clear {
    position: absolute;
    top: 50%;
    inset-inline-end: 2rem;
    transform: translateY(-50%);
    width: 1.25rem;
    height: 1.25rem;
    border: none;
    border-radius: var(--cinder-radius-full);
    background: transparent;
    color: var(--cinder-text-muted);
    cursor: pointer;
    line-height: 1;
    padding: 0;
  }

  @media (hover: hover) {
    .cinder-multi-select__clear:hover {
      color: var(--cinder-text-default);
      background: var(--cinder-surface-hover);
    }
  }

  .cinder-multi-select__clear:focus-visible {
    outline: var(--cinder-ring-width) solid transparent;
    box-shadow: var(--_cinder-focus-ring-shadow);
  }

  .cinder-multi-select__chevron {
    flex: 0 0 auto;
    color: var(--cinder-text-muted);
    transition: transform var(--cinder-duration-fast) var(--cinder-ease-standard);
  }

  .cinder-multi-select__trigger[data-cinder-open] .cinder-multi-select__chevron {
    transform: rotate(180deg);
  }

  .cinder-multi-select__panel {
    z-index: var(--cinder-z-popover);
    margin: 0;
    padding: var(--cinder-space-1);
    min-inline-size: 0;
    display: flex;
    flex-direction: column;
    gap: var(--cinder-space-1);
  }

  .cinder-multi-select__filter {
    min-height: 2rem;
    font-size: var(--cinder-text-sm);
  }

  .cinder-multi-select__listbox {
    margin: 0;
    padding: 0;
    list-style: none;
    max-height: 16rem;
    overflow-y: auto;
  }

  /* Geometry, padding, active fill, keyboard cursor ring, and disabled state
   come from the shared `cinder-_option-row` primitive on the markup. */
  .cinder-multi-select__option {
    width: 100%;
    cursor: pointer;
  }

  .cinder-multi-select__checkbox-indicator {
    pointer-events: none;
  }

  .cinder-checkbox-field__control {
    position: relative;
    display: inline-flex;
    inline-size: 1.125rem;
    block-size: 1.125rem;
    flex-shrink: 0;
  }

  .cinder-checkbox-field__indicator {
    --_cinder-checkbox-check-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M12.7 4.3L6.5 10.6 3.3 7.4 2 8.7l4.5 4.5 7.6-7.6z'/%3E%3C/svg%3E");
    position: absolute;
    inset-block-start: 50%;
    inset-inline-start: 50%;
    inline-size: 0.875rem;
    block-size: 0.875rem;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 1;
    opacity: 0;
    color: var(--cinder-accent-contrast);
    background-color: currentColor;
    -webkit-mask-image: var(--_cinder-checkbox-check-mask);
    mask-image: var(--_cinder-checkbox-check-mask);
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
    -webkit-mask-position: center;
    mask-position: center;
    -webkit-mask-size: 0.875rem 0.875rem;
    mask-size: 0.875rem 0.875rem;
  }

  .cinder-checkbox--indicator[data-cinder-checked] + .cinder-checkbox-field__indicator {
    opacity: 1;
  }

  .cinder-checkbox--indicator[data-cinder-disabled][data-cinder-checked]
    + .cinder-checkbox-field__indicator {
    color: var(--cinder-text-disabled);
  }

  @media (forced-colors: active) {
    .cinder-checkbox--indicator[data-cinder-checked] + .cinder-checkbox-field__indicator {
      forced-color-adjust: none;
      background-color: ButtonText;
    }
  }

  .cinder-multi-select__checkbox-box {
    width: 1.125rem;
    height: 1.125rem;
    border: 1px solid var(--cinder-border);
    border-radius: var(--cinder-radius-sm);
    background: var(--cinder-surface-raised);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    cursor: inherit;
  }

  .cinder-multi-select__checkbox-box[data-cinder-checked] {
    background: var(--cinder-accent-solid);
    border-color: var(--cinder-accent-solid);
  }

  .cinder-multi-select__checkbox-box[data-cinder-disabled] {
    cursor: not-allowed;
    background: var(--cinder-surface-inset);
    border-color: var(--cinder-border-muted);
  }

  .cinder-multi-select__checkbox-box[data-cinder-disabled][data-cinder-checked] {
    background-color: var(--cinder-fill-disabled);
    border-color: var(--cinder-fill-disabled);
  }

  .cinder-multi-select__option-text {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
  }

  .cinder-multi-select__option-label {
    font-size: var(--cinder-text-sm);
    color: var(--cinder-text-default);
  }

  .cinder-multi-select__option-description {
    font-size: var(--cinder-text-xs);
    color: var(--cinder-text-muted);
    line-height: var(--cinder-leading-snug);
  }

  .cinder-multi-select__empty {
    margin: 0;
    padding: var(--cinder-space-3);
    color: var(--cinder-text-muted);
    font-size: var(--cinder-text-sm);
    text-align: center;
  }

  .cinder-multi-select__description,
  .cinder-multi-select__warning,
  .cinder-multi-select__error {
    margin: 0;
    font-size: var(--cinder-text-xs);
    line-height: var(--cinder-leading-normal);
  }

  .cinder-multi-select__description {
    color: var(--cinder-text-muted);
  }

  .cinder-multi-select__warning {
    color: var(--cinder-status-warning-text);
  }

  .cinder-multi-select__error {
    color: var(--cinder-status-danger-text);
  }

  /* The shared `_form-field-error.css` partial (imported by the required
     `cinder/styles` base, CIN-315) keeps the always-present live region out
     of layout when no error is active — no per-component copy needed here. */

  .cinder-multi-select__validation-proxy {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
    padding: 0;
    margin: -1px;
  }

  .cinder-multi-select__sr-label,
  .cinder-multi-select__sr-status {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
    padding: 0;
    margin: -1px;
  }

  @media (forced-colors: active) {
    .cinder-multi-select__trigger:focus-visible {
      outline: var(--cinder-ring-width) solid ButtonText;
      outline-offset: 3px;
    }

    .cinder-multi-select__clear:focus-visible {
      box-shadow: none;
      outline: var(--cinder-ring-width) solid ButtonText;
      outline-offset: 1px;
    }
  }
}