/* Datakar Forms v4 — native form foundation + progressively enhanced custom selects. */
.dk-field {
  display: grid;
  gap: var(--dk-space-2);
}

.dk-label {
  color: var(--dk-color-text);
  font-size: var(--dk-font-size-md);
  font-weight: var(--dk-font-weight-bold);
}

.dk-input,
.dk-select,
.dk-textarea {
  width: 100%;
  min-height: var(--dk-input-min-height);
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--dk-color-border);
  border-radius: var(--dk-radius-md);
  background: var(--dk-color-surface);
  color: var(--dk-color-text);
  outline: none;
  transition:
    border-color var(--dk-duration-normal) var(--dk-ease-standard),
    box-shadow var(--dk-duration-normal) var(--dk-ease-standard),
    background-color var(--dk-duration-normal) var(--dk-ease-standard);
}

.dk-textarea {
  min-height: 110px;
  resize: vertical;
}

.dk-input::placeholder,
.dk-textarea::placeholder {
  color: var(--dk-color-muted);
  opacity: 0.82;
}

.dk-input:focus,
.dk-select:focus,
.dk-textarea:focus {
  border-color: var(--dk-color-primary);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--dk-color-primary) 18%, transparent);
}

.dk-help {
  margin: 0;
  color: var(--dk-color-muted);
  font-size: var(--dk-font-size-sm);
  line-height: 1.5;
}

/* Enhanced select -------------------------------------------------------- */
.dk-native-select {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  min-height: 0 !important;
  margin: -1px !important;
  padding: 0 !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
  border: 0 !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

.dk-select-ui {
  position: relative;
  width: 100%;
  min-width: 0;
}

.dk-select-trigger {
  width: 100%;
  min-height: var(--dk-input-min-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--dk-space-3);
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--dk-color-border);
  border-radius: var(--dk-radius-md);
  background: var(--dk-color-surface);
  color: var(--dk-color-text);
  font: inherit;
  font-weight: var(--dk-font-weight-regular);
  text-align: start;
  cursor: pointer;
  outline: none;
  transition:
    border-color var(--dk-duration-normal) var(--dk-ease-standard),
    box-shadow var(--dk-duration-normal) var(--dk-ease-standard),
    background-color var(--dk-duration-normal) var(--dk-ease-standard);
}

.dk-select-trigger:hover {
  border-color: color-mix(in srgb, var(--dk-color-primary) 42%, var(--dk-color-border));
}

.dk-select-trigger:focus-visible,
.dk-select-ui.is-open .dk-select-trigger {
  border-color: var(--dk-color-primary);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--dk-color-primary) 18%, transparent);
}

.dk-select-arrow {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  color: var(--dk-color-muted);
  transform: rotate(90deg); /* closed: points left in RTL */
  transform-origin: center;
  transition:
    transform var(--dk-duration-normal) var(--dk-ease-standard),
    color var(--dk-duration-fast) var(--dk-ease-standard);
}

.dk-select-ui.is-open .dk-select-arrow {
  transform: rotate(0deg); /* open: points down */
  color: var(--dk-color-primary);
}

.dk-select-menu {
  position: absolute;
  inset-inline: 0;
  top: calc(100% + 0.4rem);
  z-index: var(--dk-z-dropdown);
  display: grid;
  gap: 0.2rem;
  max-height: min(300px, 44vh);
  overflow: auto;
  padding: 0.35rem;
  border: 1px solid var(--dk-color-border);
  border-radius: var(--dk-radius-lg);
  background: var(--dk-color-surface);
  box-shadow: var(--dk-shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px) scale(0.985);
  transform-origin: top center;
  pointer-events: none;
  transition:
    opacity var(--dk-duration-normal) var(--dk-ease-standard),
    transform var(--dk-duration-normal) var(--dk-ease-standard),
    visibility 0s linear var(--dk-duration-normal);
}

.dk-select-ui.is-open .dk-select-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  pointer-events: auto;
  transition-delay: 0s;
}

.dk-select-option {
  width: 100%;
  min-height: 40px;
  display: flex;
  align-items: center;
  padding: 0.55rem 0.7rem;
  border: 0;
  border-radius: var(--dk-radius-md);
  background: transparent;
  color: var(--dk-color-text);
  font: inherit;
  text-align: start;
  cursor: pointer;
  transition:
    background-color var(--dk-duration-fast) var(--dk-ease-standard),
    color var(--dk-duration-fast) var(--dk-ease-standard),
    transform var(--dk-duration-fast) var(--dk-ease-standard);
}

.dk-select-option:hover,
.dk-select-option:focus-visible,
.dk-select-option.is-active {
  background: var(--dk-color-surface-soft);
  color: var(--dk-color-text);
  outline: none;
}

.dk-select-option[aria-selected="true"] {
  color: var(--dk-color-primary);
  font-weight: var(--dk-font-weight-bold);
}

.dk-select-option:active {
  transform: scale(0.99);
}

.dk-select-option:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.dk-fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

.dk-segmented {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--dk-space-2);
  padding: 0.3rem;
  border: 1px solid var(--dk-color-border);
  border-radius: var(--dk-radius-lg);
  background: var(--dk-color-surface-soft);
}

.dk-segmented-option { position: relative; min-width: 0; cursor: pointer; }
.dk-segmented-option input { position: absolute; opacity: 0; pointer-events: none; }
.dk-segmented-option span {
  min-height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 0.5rem;
  border: 1px solid transparent;
  border-radius: var(--dk-radius-md);
  color: var(--dk-color-text-soft);
  font-weight: var(--dk-font-weight-bold);
  text-align: center;
  transition:
    background-color var(--dk-duration-normal) var(--dk-ease-standard),
    border-color var(--dk-duration-normal) var(--dk-ease-standard),
    color var(--dk-duration-normal) var(--dk-ease-standard),
    transform var(--dk-duration-fast) var(--dk-ease-standard);
}
.dk-segmented-option input:checked + span {
  border-color: var(--dk-color-primary);
  background: var(--dk-color-surface);
  color: var(--dk-color-primary);
  box-shadow: 0 1px 4px rgb(0 0 0 / 8%);
}
.dk-segmented-option input:focus-visible + span {
  outline: 2px solid var(--dk-color-primary);
  outline-offset: 2px;
}