/**
 * @file forms.css
 * Form elements: inputs, buttons, selects, checkboxes, radios, textareas.
 *
 * Vertical: 12/24px baseline grid
 * Horizontal: 4-8-16px grid
 * Border-radius: 4px (grid-aligned)
 * Heights: 48px (4 baseline units) for standard inputs/buttons
 */

/* ============================================================
   Form base
   ============================================================ */
form {
  margin-bottom: var(--vg-space-3);
}

.form-item {
  margin-bottom: var(--vg-space-2);
}

/* ============================================================
   Labels
   ============================================================ */
label,
.form-item__label {
  display: block;
  font-size: 0.8rem;
  line-height: 24px;
  font-weight: 700;
  color: var(--vg-color-heading);
  margin-bottom: var(--vg-h-4);
}

.form-required::after {
  content: ' *';
  color: var(--vg-color-accent);
}

/* Description/help text */
.form-item__description,
.description {
  font-size: 0.7rem;
  line-height: 24px;
  color: var(--vg-color-text-muted);
  margin-top: var(--vg-h-4);
}

/* ============================================================
   Text inputs, email, password, number, search, url, tel
   Height: 48px (4 baseline units)
   Padding: 12px vertical, 16px horizontal
   ============================================================ */
.form-text,
.form-email,
.form-search,
.form-url,
.form-tel,
.form-number,
.form-date,
.form-time,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
input[type="url"],
input[type="tel"],
input[type="number"],
input[type="date"],
input[type="time"] {
  display: block;
  width: 100%;
  height: 48px;
  padding: 12px 16px;
  font-family: inherit;
  font-size: 0.85rem;
  line-height: 24px;
  color: var(--vg-color-text);
  background-color: var(--vg-color-surface);
  border: 1px solid var(--vg-color-border);
  border-radius: 4px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  appearance: none;
}

.form-text:focus,
input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="search"]:focus {
  outline: none;
  border-color: var(--vg-color-primary);
  box-shadow: 0 0 0 2px var(--vg-groen-l60);
}

.form-text:disabled,
input:disabled {
  background-color: var(--vg-bg-1);
  color: var(--vg-color-text-muted);
  cursor: not-allowed;
}

/* Error state */
.form-item--error input,
input.error {
  border-color: var(--vg-color-accent);
}

.form-item--error-message {
  font-size: 0.7rem;
  line-height: 24px;
  color: var(--vg-color-accent);
  margin-top: var(--vg-h-4);
}

/* ============================================================
   Textarea
   Min-height: 120px (10 baseline units)
   ============================================================ */
textarea,
.form-textarea {
  display: block;
  width: 100%;
  min-height: 120px;
  padding: 12px 16px;
  font-family: inherit;
  font-size: 0.85rem;
  line-height: 24px;
  color: var(--vg-color-text);
  background-color: var(--vg-color-surface);
  border: 1px solid var(--vg-color-border);
  border-radius: 4px;
  resize: vertical;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

textarea:focus {
  outline: none;
  border-color: var(--vg-color-primary);
  box-shadow: 0 0 0 2px var(--vg-groen-l60);
}

/* ============================================================
   Select
   Height: 48px, same as text inputs
   ============================================================ */
select,
.form-select {
  display: block;
  width: 100%;
  height: 48px;
  padding: 12px 40px 12px 16px;
  font-family: inherit;
  font-size: 0.85rem;
  line-height: 24px;
  color: var(--vg-color-text);
  background-color: var(--vg-color-surface);
  border: 1px solid var(--vg-color-border);
  border-radius: 4px;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23655b70' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  cursor: pointer;
}

select:focus {
  outline: none;
  border-color: var(--vg-color-primary);
  box-shadow: 0 0 0 2px var(--vg-groen-l60);
}

/* ============================================================
   Checkbox and Radio
   Size: 24px (2 baseline units)
   ============================================================ */
input[type="checkbox"],
input[type="radio"] {
  width: 24px;
  height: 24px;
  margin: 0;
  margin-right: var(--vg-h-8);
  vertical-align: middle;
  appearance: none;
  border: 2px solid var(--vg-color-border);
  background-color: var(--vg-color-surface);
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

input[type="checkbox"] {
  border-radius: 4px;
}

input[type="radio"] {
  border-radius: 50%;
}

input[type="checkbox"]:checked {
  background-color: var(--vg-color-primary);
  border-color: var(--vg-color-primary);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14'%3E%3Cpath d='M2 7l3 3 7-7' stroke='white' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

input[type="radio"]:checked {
  border-color: var(--vg-color-primary);
  background-color: var(--vg-color-surface);
  box-shadow: inset 0 0 0 4px var(--vg-color-primary);
}

input[type="checkbox"]:focus,
input[type="radio"]:focus {
  outline: none;
  box-shadow: 0 0 0 2px var(--vg-groen-l60);
}

/* Checkbox/radio label inline */
.form-type-checkbox label,
.form-type-radio label {
  display: inline;
  font-weight: 400;
  vertical-align: middle;
}

.form-checkboxes .form-item,
.form-radios .form-item {
  margin-bottom: var(--vg-space-1);
}

/* ============================================================
   Buttons
   Height: 48px (4 baseline units)
   Padding: 12px vertical, 24px horizontal
   Border-radius: 4px
   ============================================================ */
.button,
button,
input[type="submit"],
input[type="button"],
input[type="reset"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 12px 24px;
  font-family: inherit;
  font-size: 0.85rem;
  line-height: 24px;
  font-weight: 700;
  border: 2px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
}

/* Primary button */
.button--primary,
.button.button--primary,
input[type="submit"] {
  background-color: var(--vg-color-primary);
  color: var(--vg-bg-0);
  border-color: var(--vg-color-primary);
}

.button--primary:hover,
input[type="submit"]:hover {
  background-color: var(--vg-groen-d20);
  border-color: var(--vg-groen-d20);
}

.button--primary:active,
input[type="submit"]:active {
  background-color: var(--vg-groen-d40);
  border-color: var(--vg-groen-d40);
}

/* Secondary button (outline) */
.button:not(.button--primary),
input[type="button"],
input[type="reset"] {
  background-color: transparent;
  color: var(--vg-color-text);
  border-color: var(--vg-color-border);
}

.button:not(.button--primary):hover,
input[type="button"]:hover {
  border-color: var(--vg-color-primary);
  color: var(--vg-color-primary);
}

/* Danger button */
.button--danger {
  background-color: var(--vg-color-accent);
  color: var(--vg-bg-0);
  border-color: var(--vg-color-accent);
}

.button--danger:hover {
  background-color: var(--vg-rood-d20);
  border-color: var(--vg-rood-d20);
}

/* Disabled button */
.button:disabled,
button:disabled,
input[type="submit"]:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Button group */
.form-actions {
  display: flex;
  gap: var(--vg-h-16);
  margin-top: var(--vg-space-2);
  flex-wrap: wrap;
}

/* ============================================================
   Fieldset
   ============================================================ */
fieldset {
  border: 1px solid var(--vg-color-border);
  border-radius: 4px;
  padding: var(--vg-space-2) var(--vg-h-16);
  margin-bottom: var(--vg-space-2);
}

legend {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--vg-color-heading);
  padding: 0 var(--vg-h-8);
}

/* ============================================================
   Details/Summary (collapsible)
   ============================================================ */
details {
  border: 1px solid var(--vg-color-border);
  border-radius: 4px;
  margin-bottom: var(--vg-space-2);
}

summary {
  padding: 12px 16px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--vg-color-heading);
  cursor: pointer;
  list-style: none;
}

summary::before {
  content: '';
  display: inline-block;
  width: 0;
  height: 0;
  border: 4px solid transparent;
  border-left: 6px solid var(--vg-color-text);
  margin-right: var(--vg-h-8);
  vertical-align: middle;
  transition: transform 0.2s ease;
}

details[open] summary::before {
  transform: rotate(90deg);
}

details > *:not(summary) {
  padding: 0 16px 12px;
}

/* ============================================================
   Tables (data tables, commerce)
   ============================================================ */
table {
  width: 100%;
  margin-bottom: var(--vg-space-3);
}

th {
  font-size: 0.8rem;
  font-weight: 700;
  text-align: left;
  padding: 12px 16px;
  color: var(--vg-color-heading);
  border-bottom: 2px solid var(--vg-color-border);
}

td {
  font-size: 0.85rem;
  padding: 12px 16px;
  border-bottom: 1px solid var(--vg-color-border);
  vertical-align: top;
}

tr:last-child td {
  border-bottom: none;
}

/* ============================================================
   Messages (status, warning, error)
   ============================================================ */
.messages {
  padding: 12px 16px;
  margin-bottom: var(--vg-space-2);
  border-radius: 4px;
  font-size: 0.85rem;
  line-height: 24px;
}

.messages--status {
  background-color: var(--vg-groen-l80);
  color: var(--vg-groen-d60);
  border: 1px solid var(--vg-groen-l40);
}

.messages--warning {
  background-color: var(--vg-goud-l80);
  color: var(--vg-goud-d60);
  border: 1px solid var(--vg-goud-l40);
}

.messages--error {
  background-color: var(--vg-rood-l80);
  color: var(--vg-rood-d60);
  border: 1px solid var(--vg-rood-l40);
}

/* ============================================================
   Pager
   ============================================================ */
.pager__items {
  display: flex;
  justify-content: center;
  gap: var(--vg-h-4);
  margin: var(--vg-space-3) 0;
}

.pager__item a,
.pager__item span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  height: 48px;
  padding: 12px 16px;
  font-size: 0.85rem;
  border: 1px solid var(--vg-color-border);
  border-radius: 4px;
  color: var(--vg-color-text);
  text-decoration: none;
}

.pager__item a:hover {
  border-color: var(--vg-color-primary);
  color: var(--vg-color-primary);
}

.pager__item--active span {
  background-color: var(--vg-color-primary);
  border-color: var(--vg-color-primary);
  color: var(--vg-bg-0);
}

/* ============================================================
   Tabs (local tasks)
   ============================================================ */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--vg-color-border);
  margin-bottom: var(--vg-space-3);
  flex-wrap: wrap;
}

.tabs__tab a {
  display: block;
  padding: 12px 24px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--vg-color-text-muted);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
}

.tabs__tab a:hover {
  color: var(--vg-color-heading);
}

.tabs__tab a.is-active {
  color: var(--vg-color-primary);
  border-bottom-color: var(--vg-color-primary);
}