/**
 * Form primitives
 * Inputs, selects, textareas, labels, filters, pagination, tabs
 */
@layer ks-primitives {
  /* ==========================================================================
     Form Inputs
     ========================================================================== */

  :where(.ks-input, .ks-select, .ks-textarea) {
    inline-size: 100%;
    border: var(--ks-border-width) solid var(--ks-color-border-default);
    border-radius: var(--ks-radius-md);
    background-color: var(--ks-color-surface-page);
    color: var(--ks-color-text-default);
    padding-inline: var(--ks-space-4);
    padding-block: var(--ks-space-3);
    transition:
      border-color var(--ks-duration-base) var(--ks-ease-standard),
      box-shadow var(--ks-duration-base) var(--ks-ease-standard);
  }

  .ks-input--sm {
    padding-inline: var(--ks-space-3);
    padding-block: var(--ks-space-2);
    font-size: 0.875rem;
    border-radius: var(--ks-radius-sm);
  }

  .ks-input--md {
    font-size: 1rem;
  }

  .ks-input--lg {
    padding-inline: var(--ks-space-5);
    padding-block: var(--ks-space-4);
    font-size: 1.125rem;
    border-radius: var(--ks-radius-md);
  }

  :where(.ks-input, .ks-select, .ks-textarea):focus-visible {
    border-color: var(--ks-color-primary-500);
    outline: var(--ks-border-width-strong) solid color-mix(in srgb, var(--ks-color-primary-400) 35%, transparent);
    outline-offset: 0.125rem;
  }

  .ks-input--error {
    border-color: var(--ks-color-tertiary-500);
  }

  .ks-input--error:focus-visible {
    border-color: var(--ks-color-tertiary-700);
    outline-color: color-mix(in srgb, var(--ks-color-tertiary-500) 35%, transparent);
  }

  /* Drupal adds form-item--error to the wrapper on validation failure (form-element.html.twig) */
  .form-item--error :is(.ks-input, .ks-select, .ks-textarea) {
    border-color: var(--ks-color-danger-300);
  }

  .form-item--error-message {
    margin-block-start: var(--ks-space-2);
    font-size: var(--ks-font-size-sm);
    color: var(--ks-color-danger-700);
  }

  .ks-input--success {
    border-color: var(--ks-color-secondary-500);
  }

  .ks-input--success:focus-visible {
    border-color: var(--ks-color-secondary-700);
    outline-color: color-mix(in srgb, var(--ks-color-secondary-400) 35%, transparent);
  }

  /* Newsletter card fields dark mode */
  .dark .kalasdha-nweletter-custom-form .ks-input,
  .dark .kalasdha-nweletter-custom-form .ks-select,
  .dark .kalasdha-nweletter-custom-form .ks-textarea {
    background-color: var(--ks-color-surface-strong);
    border-color: var(--ks-color-border-strong);
  }

  .ks-textarea {
    min-block-size: 8rem;
    resize: vertical;
  }

  .ks-select-sm {
    width: 5rem;
    padding: var(--ks-space-1) var(--ks-space-2);
  }

  /* ==========================================================================
     Labels & Messages
     ========================================================================== */

  .ks-label {
    display: inline-block;
    margin-block-end: var(--ks-space-2);
    color: var(--ks-color-text-strong);
    font-weight: var(--ks-font-weight-strong);
  }

  .ks-label-required {
    color: var(--ks-color-primary-700);
  }

  .ks-form-label {
    display: block;
    margin-block-end: var(--ks-space-1);
    color: var(--ks-color-text-strong);
    font-size: 0.875rem;
    font-weight: var(--ks-font-weight-strong);
  }

  .ks-input-message {
    margin-block-start: var(--ks-space-2);
    font-size: 0.875rem;
    color: var(--ks-color-text-muted);
  }

  .ks-input-message--error {
    color: var(--ks-color-tertiary-800);
  }

  .ks-input-message--success {
    color: var(--ks-color-secondary-800);
  }

  /* ==========================================================================
     Choice Inputs (Checkbox/Radio)
     ========================================================================== */

  .ks-choice-input {
    inline-size: 1rem;
    block-size: 1rem;
    accent-color: var(--ks-color-primary-600);
    cursor: pointer;
  }

  .ks-choice-input--checkbox {
    border-radius: var(--ks-radius-sm);
  }

  .ks-choice-input--radio {
    border-radius: var(--ks-radius-full);
  }

  /* ==========================================================================
     Search Input
     ========================================================================== */

  .ks-search-box {
    padding: var(--ks-space-4);
  }

  .ks-search-wrapper {
    position: relative;
  }

  .ks-search-input {
    padding-inline-start: var(--ks-space-10);
  }

  .ks-search-icon {
    position: absolute;
    inset-inline-start: var(--ks-space-3);
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--ks-color-text-muted);
  }

  /* ==========================================================================
     Exposed Filter Form
     ========================================================================== */

  .ks-exposed-filter {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: var(--ks-space-4);
  }

  .ks-exposed-filter__field {
    min-inline-size: 0;
  }

  /* ==========================================================================
     Filter Bar
     ========================================================================== */

  .ks-filter-bar {
    position: sticky;
    top: 0;
    z-index: 10;
    background-color: var(--ks-color-surface-card);
    color: var(--ks-color-text-default);
    border-block-end: var(--ks-border-width) solid var(--ks-color-border-subtle);
    padding-block: var(--ks-space-4);
  }

  .ks-filter-bar__row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--ks-space-4);
  }

  /* ==========================================================================
     Filter Form Sidebar
     ========================================================================== */

  .ks-filter-card {
    padding: var(--ks-space-4);
  }

  .ks-filter-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--ks-space-4);
    padding-block-end: var(--ks-space-4);
    border-block-end: var(--ks-border-width) solid var(--ks-color-border-subtle);
    margin-block-end: var(--ks-space-4);
  }

  .ks-filter-header h2 {
    margin: 0;
  }

  .ks-filter-clear {
    font-size: 0.875rem;
    color: var(--ks-color-primary-600);
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    transition: color var(--ks-duration-base) var(--ks-ease-standard);
  }

  .ks-filter-clear:hover {
    color: var(--ks-color-primary-700);
    text-decoration: underline;
  }

  .ks-filter-section {
    border-block-end: var(--ks-border-width) solid var(--ks-color-border-subtle);
  }

  .ks-filter-section:last-child {
    border-block-end: none;
  }

  .ks-filter-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--ks-space-3) 0;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--ks-color-text-strong);
    font-weight: var(--ks-font-weight-strong);
    text-align: left;
  }

  .ks-filter-toggle:hover {
    color: var(--ks-color-primary-700);
  }

  .ks-filter-chevron {
    transition: transform var(--ks-duration-base) var(--ks-ease-standard);
  }

  .ks-filter-toggle[aria-expanded="true"] .ks-filter-chevron,
  .ks-filter-section.is-open .ks-filter-chevron {
    transform: rotate(180deg);
  }

  .ks-filter-content {
    padding-block-end: var(--ks-space-3);
  }

  .ks-filter-content.hidden {
    display: none;
  }

  .ks-filter-option {
    display: flex;
    align-items: center;
    gap: var(--ks-space-3);
    padding: var(--ks-space-2) 0;
    cursor: pointer;
  }

  .ks-filter-option:hover {
    color: var(--ks-color-primary-700);
  }

  /* Filter Pill Toggles */
  .ks-filter-pill {
    padding: var(--ks-space-2) var(--ks-space-4);
    border-radius: var(--ks-radius-full);
    font-size: var(--ks-font-size-sm);
    font-weight: var(--ks-font-weight-medium);
    transition: background-color var(--ks-duration-base) var(--ks-ease-standard),
                color var(--ks-duration-base) var(--ks-ease-standard);
    cursor: pointer;
    border: none;
  }

  .ks-filter-pill--active {
    background-color: var(--ks-color-primary-600);
    color: var(--ks-color-text-inverse);
  }

  .ks-filter-pill--inactive {
    background-color: var(--ks-color-gray-100);
    color: var(--ks-color-gray-700);
  }

  .ks-filter-pill--inactive:hover {
    background-color: var(--ks-color-gray-200);
  }

  :where(.dark) .ks-filter-pill--inactive {
    background-color: var(--ks-color-gray-800);
    color: var(--ks-color-gray-300);
  }

  :where(.dark) .ks-filter-pill--inactive:hover {
    background-color: var(--ks-color-gray-700);
  }

  /* Filter Active State */
  .ks-filter-active {
    background-color: var(--ks-color-primary-600);
    color: var(--ks-color-text-inverse);
  }

  .ks-filter-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .ks-filter-empty-state {
    text-align: center;
    padding: var(--ks-space-8);
    color: var(--ks-color-text-muted);
  }

  /* ==========================================================================
     Empty State
     ========================================================================== */

  .ks-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--ks-space-12);
  }

  /* ==========================================================================
     Pagination
     ========================================================================== */

  .ks-pager {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--ks-space-2);
    padding-block: var(--ks-space-2);
  }

  .ks-pager__item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--ks-space-2) var(--ks-space-3);
    font-size: var(--ks-font-size-sm);
    font-weight: var(--ks-font-weight-medium);
    border-radius: var(--ks-radius-md);
    border: var(--ks-border-width) solid var(--ks-color-border-default);
    background-color: var(--ks-color-surface-page);
    color: var(--ks-color-text-muted);
    transition: background-color var(--ks-duration-base) var(--ks-ease-standard),
                border-color var(--ks-duration-base) var(--ks-ease-standard);
    text-decoration: none;
  }

  .ks-pager__item:hover {
    background-color: var(--ks-color-surface-muted);
  }

  :where(.dark) .ks-pager__item {
    background-color: var(--ks-color-gray-800);
    border-color: var(--ks-color-gray-600);
    color: var(--ks-color-gray-300);
  }

  :where(.dark) .ks-pager__item:hover {
    background-color: var(--ks-color-gray-700);
  }

  .ks-pager__item--current {
    padding-inline: var(--ks-space-4);
    font-weight: var(--ks-font-weight-bold);
    background-color: var(--ks-color-primary-600);
    border-color: var(--ks-color-primary-600);
    color: var(--ks-color-text-inverse);
  }

  :where(.dark) .ks-pager__item--current {
    background-color: var(--ks-color-primary-500);
    border-color: var(--ks-color-primary-500);
  }

  /* ==========================================================================
     Tabs
     ========================================================================== */

  .ks-tabs-nav {
    display: flex;
    flex-wrap: nowrap;
    gap: var(--ks-space-2);
    overflow-x: auto;
    list-style: none;
    margin: 0;
    padding: var(--ks-space-3) 0;
  }

  /* Horizontal, scrollable row of tabs with a baseline border (use on ul) */
  .ks-tab-list {
    display: flex;
    flex-wrap: nowrap;
    gap: var(--ks-space-2);
    overflow-x: auto;
    list-style: none;
    margin: 0;
    padding: 0;
    border-block-end: var(--ks-border-width) solid var(--ks-color-border-subtle);
  }

  .ks-tab {
    display: inline-flex;
    align-items: center;
    gap: var(--ks-space-2);
    min-block-size: 2.75rem;
    padding-inline: var(--ks-space-4);
    padding-block: var(--ks-space-2);
    border: var(--ks-border-width) solid var(--ks-color-border-subtle);
    border-radius: var(--ks-radius-md);
    background-color: var(--ks-color-surface-section);
    color: var(--ks-color-text-default);
    text-decoration: none;
    white-space: nowrap;
    transition:
      color var(--ks-duration-base) var(--ks-ease-standard),
      background-color var(--ks-duration-base) var(--ks-ease-standard),
      border-color var(--ks-duration-base) var(--ks-ease-standard);
  }

  .ks-tab:hover,
  .ks-tab:focus-visible {
    border-color: var(--ks-color-border-default);
    background-color: var(--ks-color-surface-card);
    color: var(--ks-color-text-strong);
  }

  .ks-tab--active {
    border-color: var(--ks-color-primary-600);
    background-color: var(--ks-color-primary-600);
    color: var(--ks-color-text-inverse);
  }

  .ks-tab--active:hover,
  .ks-tab--active:focus-visible {
    border-color: var(--ks-color-primary-700);
    background-color: var(--ks-color-primary-700);
    color: var(--ks-color-text-inverse);
  }

  /* Local-task tabs (ks-tabs-nav) on desktop: flat underline tabs; pill style stays below 768px */
  @media (min-width: 768px) {
    .ks-tabs-nav {
      padding-block: 0;
    }

    .ks-tabs-nav .ks-tab {
      min-block-size: 0;
      padding-inline: var(--ks-space-6);
      padding-block: var(--ks-space-4);
      border: 0;
      border-block-end: var(--ks-border-width-strong) solid transparent;
      border-radius: 0;
      background-color: transparent;
      color: var(--ks-color-text-muted);
    }

    .ks-tabs-nav .ks-tab:hover,
    .ks-tabs-nav .ks-tab:focus-visible {
      background-color: transparent;
      border-block-end-color: var(--ks-color-border-default);
      color: var(--ks-color-text-strong);
    }

    .ks-tabs-nav .ks-tab--active {
      background-color: transparent;
      border-block-end-color: var(--ks-color-primary-600);
      color: var(--ks-color-primary-600);
    }

    .ks-tabs-nav .ks-tab--active:hover,
    .ks-tabs-nav .ks-tab--active:focus-visible {
      background-color: transparent;
      border-block-end-color: var(--ks-color-primary-700);
      color: var(--ks-color-primary-700);
    }
  }

  .ks-tab-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-inline-size: 1.75rem;
    padding-inline: 0.5rem;
    padding-block: 0.125rem;
    border-radius: var(--ks-radius-full);
    background-color: color-mix(in srgb, var(--ks-color-surface-strong) 10%, var(--ks-color-surface-section));
    color: var(--ks-color-text-default);
    font-size: 0.75rem;
    font-weight: var(--ks-font-weight-strong);
  }

  .ks-tab-badge--active,
  .ks-tab--active .ks-tab-badge {
    background-color: color-mix(in srgb, var(--ks-color-text-inverse) 18%, transparent);
    color: var(--ks-color-text-inverse);
  }

  .ks-tab--pill {
    border-radius: 9999px;
    padding-inline: var(--ks-space-5);
  }

  /* Legacy jQuery tabs hook */
  .ks-tab.active {
    border-color: var(--ks-color-primary-600);
    background-color: var(--ks-color-primary-600);
    color: var(--ks-color-text-inverse);
  }

  /* ==========================================================================
     Status Indicators
     ========================================================================== */

  .ks-status-indicator {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--ks-space-4);
  }

  .ks-status-meta {
    display: flex;
    align-items: center;
    gap: var(--ks-space-3);
  }

  .ks-status-dot {
    inline-size: 0.75rem;
    block-size: 0.75rem;
    border-radius: var(--ks-radius-full);
    box-shadow: var(--ks-shadow-sm);
    flex-shrink: 0;
  }

  .ks-status-dot--operational {
    background-color: var(--ks-color-secondary-600);
  }

  .ks-status-dot--limited {
    background-color: var(--ks-color-tertiary-600);
  }

  .ks-status-dot--down {
    background-color: var(--ks-color-primary-700);
  }

  /* ==========================================================================
     Webform Container
     ========================================================================== */

  .ks-webform {
    inline-size: 100%;
    max-inline-size: 32rem;
    margin-inline: auto;
    padding: var(--ks-space-4);
  }

  @media (min-width: 768px) {
    .ks-webform {
      max-inline-size: 36rem;
    }
  }

  /* Vertical rhythm between webform fields */
  .ks-webform .form-item {
    inline-size: 100%;
    margin-block-end: var(--ks-space-6);
  }

  /* ==========================================================================
     Better Exposed Filters (BEF) Links
     ========================================================================== */

  .view-albums .bef-link {
    display: inline-block;
    padding: var(--ks-space-2) var(--ks-space-4);
    border-radius: var(--ks-radius-full);
    font-size: var(--ks-font-size-sm);
    font-weight: var(--ks-font-weight-strong);
    background-color: var(--ks-color-gray-100);
    color: var(--ks-color-gray-700);
    text-decoration: none;
    transition: all 0.2s;
  }

  .view-albums .bef-link:hover {
    background-color: var(--ks-color-gray-200);
  }

  .view-albums .bef-link.bef-link--selected {
    background-color: var(--ks-color-primary-600);
    color: var(--ks-color-white);
    box-shadow: var(--ks-shadow-lg);
  }

  /* ==========================================================================
     Newsletter Section - Signup section with gradient background
     ========================================================================== */

  .ks-newsletter {
    background: linear-gradient(
      to bottom right,
      var(--ks-color-primary-50),
      var(--ks-color-tertiary-50),
      var(--ks-color-gray-50)
    );
  }

  :where(.dark) .ks-newsletter {
    background: linear-gradient(
      to bottom right,
      var(--ks-color-gray-800),
      var(--ks-color-gray-900),
      var(--ks-color-gray-800)
    );
  }

  .ks-newsletter__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--ks-space-8);
    align-items: center;
  }

  @media (min-width: 768px) {
    .ks-newsletter__grid {
      grid-template-columns: 1fr 1fr;
      gap: var(--ks-space-12);
    }
  }

  @media (min-width: 1024px) {
    .ks-newsletter__grid {
      gap: var(--ks-space-16);
    }
  }

  .ks-newsletter__form-card {
    background: var(--ks-color-white);
    padding: var(--ks-space-5);
    border-radius: var(--ks-radius-2xl);
    border: 1px solid var(--ks-color-gray-100);
    box-shadow: var(--ks-shadow-2xl);
  }

  @media (min-width: 768px) {
    .ks-newsletter__form-card {
      padding: var(--ks-space-6);
    }
  }

  @media (min-width: 1024px) {
    .ks-newsletter__form-card {
      padding: var(--ks-space-10);
    }
  }

  :where(.dark) .ks-newsletter__form-card {
    background: var(--ks-color-gray-800);
    border-color: var(--ks-color-gray-700);
  }

  .ks-newsletter__icon {
    width: 4rem;
    height: 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ks-color-primary-600);
    border-radius: var(--ks-radius-xl);
  }

  :where(.dark) .ks-newsletter__icon {
    background: var(--ks-color-primary-500);
  }

  /* Right-align the Subscribe button with spacing above the fields. */
  .kalasdha-nweletter-custom-form .form-actions {
    display: flex;
    justify-content: flex-end;
    margin-block-start: var(--ks-space-4);
  }
}