/* Form elements + form patterns (label/value grid, stacks, checks, radios,
 * hint/error/saved/warn lines, empty state).
 * Source: schreibwerkstatt components/card-form/form-elements.css (domain
 * rows — dictionary, devices, goal input, stats — removed). */

@layer components {
/* Labels carry NO margin: spacing between label and field comes from the gap
   of the container (.form-stack, .card-form-row, .form-inline). A one-sided
   margin in an align-items:center row mis-centres the visible box. */
label {
  font-size: var(--font-size-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text);
  display: block;
}

input[type=text],
input[type=email],
input[type=password],
input[type=url],
input[type=search],
input[type=tel],
input[type=number],
input[type=date],
input[type=month],
input[type=datetime-local],
select,
.card-form-input {
  width: 100%;
  padding: var(--size-default-padding-y) var(--space-10);
  border: 1px solid var(--color-border-input);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-family: inherit;
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow-xs);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
/* iOS: font-size ≥16px prevents the automatic zoom on focus. */
@media (max-width: 768px) {
  input[type=text],
  input[type=email],
  input[type=password],
  input[type=url],
  input[type=search],
  input[type=tel],
  input[type=number],
  input[type=date],
  input[type=month],
  input[type=datetime-local],
  textarea,
  select {
    font-size: var(--font-size-reading);
  }
}

input:focus,
select:focus,
textarea:focus,
.card-form-input:focus,
.card-form-textarea:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: var(--focus-ring);
}

input:disabled,
select:disabled,
textarea:disabled,
.card-form-input:disabled,
.card-form-textarea:disabled {
  opacity: var(--opacity-hint);
  cursor: not-allowed;
}

.card-form-textarea {
  width: 100%;
  font-size: var(--font-size-sm);
  font-family: inherit;
  padding: var(--space-6) var(--space-sm);
  border: 1px solid var(--color-border-input);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  resize: vertical;
  line-height: 1.5;
}
@media (max-width: 768px) {
  .card-form-textarea { font-size: var(--font-size-reading); }
}

/* Validation: aria-invalid="true" is the state — no parallel class. */
input[aria-invalid="true"],
textarea[aria-invalid="true"],
select[aria-invalid="true"] {
  border-color: var(--color-err-border);
  outline-color: var(--color-err-border);
}

/* === Label/value grid (settings-style cards) === */
.card-form-grid {
  padding: var(--space-xs) 0 var(--space-sm);
}
.card-form-row {
  display: grid;
  grid-template-columns: 170px 1fr;
  align-items: start;
  gap: var(--space-lg);
  margin-bottom: var(--space-14);
}
.card-form-row--top { align-items: flex-start; }
/* Label-less full-width content in the grid (danger zone, footnote). */
.card-form-row--full { display: block; }
.card-form-label {
  font-weight: var(--fw-medium);
  font-size: var(--font-size-sm);
  padding-top: var(--space-sm);
  color: var(--color-text);
}
.card-form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  min-width: 0;
}
.card-form-row > .card-form-hint {
  grid-column: 2;
  text-align: left;
}
.card-form-section-divider {
  font-size: var(--font-size-mini);
  color: var(--color-muted);
  line-height: 1.4;
  margin: var(--space-xl) 0 var(--space-14);
  padding-top: var(--space-14);
  border-top: var(--border-thin) solid var(--color-border);
}

/* === Result lines under a form: saved / error / warn === */
.card-form-saved {
  margin: var(--space-sm) 0 0;
  font-size: var(--font-size-mini);
  color: var(--color-ok-text);
  display: inline-flex;
  align-items: center;
  gap: var(--space-6);
}
.card-form-saved::before {
  content: "";
  display: inline-block;
  width: 1em;
  height: 1em;
  background-color: currentColor;
  -webkit-mask: var(--icon-check) center / contain no-repeat;
          mask: var(--icon-check) center / contain no-repeat;
}
.card-form-error {
  margin: var(--space-sm) 0 0;
  font-size: var(--font-size-mini);
  color: var(--color-err-text);
}
/* Non-fatal consequence: the action went through, but the user must know. */
.card-form-warn {
  margin: var(--space-sm) 0 0;
  padding: var(--space-6) var(--space-sm);
  border-left: 3px solid var(--color-warn-text);
  border-radius: var(--radius-sm);
  background: var(--color-warn-bg);
  font-size: var(--font-size-mini);
  color: var(--color-warn-text);
}
/* Inline next to a button: vertically centred despite .row's flex-end. */
.row > .card-form-saved,
.card-actions > .card-form-saved,
.card-actions > .card-form-error {
  align-self: center;
  margin: 0;
}

/* === Empty state with CTA === */
.card-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-2xl) var(--space-lg);
  text-align: center;
}
.card-empty-text {
  margin: 0;
  font-size: var(--font-size-md);
  color: var(--color-text);
  font-weight: var(--fw-medium);
}
/* Look comes from .card-hint--sm (card-blocks.css); only the reading width. */
.card-empty-hint { max-width: 32em; }
.card-empty-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-6);
}

/* === Value-column building blocks === */
.form-lead {
  margin: var(--space-xs) 0 var(--space-14);
  font-size: var(--font-size-sm);
  color: var(--color-muted);
  line-height: 1.5;
}
.form-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
}
.form-inline {
  display: flex;
  gap: var(--space-20);
  flex-wrap: wrap;
  align-items: center;
}
.form-inline-field {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text);
}
.form-num {
  font-size: var(--font-size-sm);
  padding: var(--pad-badge);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  width: 90px;
}

/* Radio group: wrapping row of options; --card variant = bordered option
   cards tinted with the surrounding --card-accent when checked. */
.form-radio-group {
  display: flex;
  gap: var(--space-20);
  flex-wrap: wrap;
}
.form-radio-option {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  cursor: pointer;
}
.form-radio-option input[type="radio"] {
  accent-color: var(--color-primary);
  width: 15px;
  height: 15px;
  cursor: pointer;
}
.form-radio-group--card { gap: var(--space-lg); }
.form-radio-group--card .form-radio-option {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  transition: border-color var(--transition-base), background var(--transition-base);
}
.form-radio-group--card .form-radio-option:has(input:checked) {
  border-color: var(--card-accent, var(--color-primary));
  background: color-mix(in srgb, var(--card-accent, var(--color-primary)) 8%, var(--color-bg));
}
.form-radio-group--card .form-radio-option input[type="radio"] {
  accent-color: var(--card-accent, var(--color-primary));
}

/* Checkbox with title + description. */
.form-check {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: var(--space-10);
  align-items: start;
  cursor: pointer;
  line-height: 1.4;
}
.form-check input[type="checkbox"] {
  margin-top: var(--space-3);
  accent-color: var(--color-primary);
  width: 15px;
  height: 15px;
  cursor: pointer;
}
.form-check-title {
  font-size: var(--font-size-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-text);
  display: block;
}
.form-check-desc {
  font-size: var(--font-size-mini);
  color: var(--color-muted);
  display: block;
  margin-top: var(--space-2xs);
}

.form-section {
  margin-top: var(--space-14);
  padding-top: var(--space-14);
  border-top: var(--border-thin) solid var(--color-border);
}

/* Mobile: the 170px/1fr grid collapses to one column. */
@media (max-width: 600px) {
  .card-form-row {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
  }
  .card-form-label { padding-top: 0; }
  .card-form-field { gap: var(--space-sm); }
  .card-form-row > .card-form-hint { grid-column: 1; }
  .card-empty { padding: var(--space-xl) var(--space-md); }
  .form-inline { gap: var(--space-10) var(--space-lg); }
  .form-inline-field { flex: 1 1 calc(50% - 16px); min-width: 0; }
  .form-num { flex: 1; width: auto; min-width: 0; }
  .form-radio-group { gap: var(--space-md); }
  .form-radio-group--card { flex-direction: column; }
  .form-radio-group--card .form-radio-option { width: 100%; }
}
}