/**
 * @file
 * Sentences builder (/exercises/sentences-builder).
 *
 * Self-contained: every selector is scoped to .fv-sentences-builder, the class
 * the form itself carries, so nothing here can affect another page. The page no
 * longer loads fv_exercisebuilder's form CSS, so this file styles the whole
 * form, not just the layout on top of it.
 *
 * Uses the --fv* design tokens from fv_conjugate/fv-tokens.
 */

.fv-sentences-builder {
  --sb-radius: 12px;
  --sb-radius-sm: 8px;
  --sb-border: #e6e9ef;
  --sb-ink: #2b3440;
  --sb-ink-soft: #6b7684;
  --sb-shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 8px 24px rgba(16, 24, 40, .06);
  --sb-accent: #1265a1;
  --sb-heading: #094074;
  --sb-ok: var(--fvdarkgreen, #12663f);

  max-width: 980px;
  margin: 0 auto;
  color: var(--sb-ink);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.fv-sentences-builder .sb-layout {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* ---------------- Cards ---------------- */
.fv-sentences-builder .sb-card {
  background: #fff;
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius);
  box-shadow: var(--sb-shadow);
  padding: 18px 20px 20px;
}

.fv-sentences-builder .sb-card__title {
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid #eef0f4;
  color: var(--sb-heading);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: .01em;
}

/* Fields side by side while there is room, stacked when there is not. */
.fv-sentences-builder .sb-card__body {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px 20px;
  align-items: start;
}

/* ---------------- Field basics ---------------- */
.fv-sentences-builder .form-item {
  margin: 0;
  min-width: 0;
}

.fv-sentences-builder .form-item > label,
.fv-sentences-builder legend .fieldset-legend {
  display: block;
  margin: 0 0 6px;
  padding: 0;
  border: 0;
  color: var(--sb-ink-soft);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  white-space: normal;
}

.fv-sentences-builder select,
.fv-sentences-builder input[type="text"] {
  display: block;
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
  height: auto;
  margin: 0;
  padding: 9px 12px;
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius-sm);
  background: #fff;
  color: var(--sb-ink);
  font-size: 1rem;
  font-family: inherit;
  box-shadow: none;
}

.fv-sentences-builder select:focus,
.fv-sentences-builder input[type="text"]:focus {
  outline: 2px solid var(--fvbluelight2, #018fe2);
  outline-offset: 1px;
  border-color: var(--fvbluelight2, #018fe2);
}

.fv-sentences-builder input::placeholder {
  color: #9aa4b2;
}

/* ---------------- Radio and checkbox groups as pills ---------------- */
.fv-sentences-builder fieldset {
  margin: 0;
  padding: 0;
  border: 0;
  min-width: 0;
}

.fv-sentences-builder legend {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
}

.fv-sentences-builder .fieldset-wrapper {
  margin: 0;
}

.fv-sentences-builder .form-radios,
.fv-sentences-builder .form-checkboxes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.fv-sentences-builder .form-radios .form-item,
.fv-sentences-builder .form-checkboxes .form-item {
  position: relative;
  margin: 0;
}

/* The input stays in the accessibility tree and keeps its focus ring, it is
   just tucked under the label that replaces it visually. */
.fv-sentences-builder .form-radios input[type="radio"],
.fv-sentences-builder .form-checkboxes input[type="checkbox"] {
  position: absolute;
  top: 50%;
  left: 12px;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
}

.fv-sentences-builder .form-radios label.option,
.fv-sentences-builder .form-checkboxes label.option {
  display: inline-block;
  margin: 0;
  padding: 7px 14px;
  border: 1px solid var(--sb-border);
  border-radius: 999px;
  background: #fff;
  color: var(--sb-ink);
  font-size: .9rem;
  font-weight: 500;
  line-height: 1.3;
  text-transform: none;
  letter-spacing: 0;
  cursor: pointer;
  transition: background-color .15s ease, border-color .15s ease, color .15s ease;
}

.fv-sentences-builder .form-radios label.option:hover,
.fv-sentences-builder .form-checkboxes label.option:hover {
  background: #018fe2;
  border-color: var(--sb-accent);
}

.fv-sentences-builder input:checked + label.option {
  background: var(--sb-accent);
  border-color: var(--sb-accent);
  color: #fff;
}

/* Keyboard focus has to stay visible now that the input is hidden. */
.fv-sentences-builder input:focus-visible + label.option {
  outline: 2px solid var(--fvbluelight2, #018fe2);
  outline-offset: 2px;
}

/* ---------------- Feedback: classic radio list ----------------
   Stacked options with a round radio mark instead of pills. The id prefix
   also matches the "--N" suffix Drupal adds on AJAX rebuilds. */
.fv-sentences-builder .form-radios[id^="edit-parms-feedback-setting"] {
  flex-direction: column;
  flex-wrap: nowrap;
  gap: 6px;
}

.fv-sentences-builder .form-radios[id^="edit-parms-feedback-setting"] label.option {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 2px 0;
  border: 0;
  border-radius: 0;
  background: none;
}

.fv-sentences-builder .form-radios[id^="edit-parms-feedback-setting"] label.option::before {
  content: "";
  flex: none;
  width: 16px;
  height: 16px;
  border: 2px solid var(--sb-ink-soft);
  border-radius: 50%;
  background: #fff;
  box-sizing: border-box;
  transition: border-color .15s ease, box-shadow .15s ease;
}

.fv-sentences-builder .form-radios[id^="edit-parms-feedback-setting"] label.option:hover {
  background: none;
  color: var(--sb-accent);
}

.fv-sentences-builder .form-radios[id^="edit-parms-feedback-setting"] label.option:hover::before {
  border-color: var(--sb-accent);
}

.fv-sentences-builder .form-radios[id^="edit-parms-feedback-setting"] input:checked + label.option {
  background: none;
  color: var(--sb-heading);
  font-weight: 600;
}

.fv-sentences-builder .form-radios[id^="edit-parms-feedback-setting"] input:checked + label.option::before {
  border-color: var(--sb-accent);
  box-shadow: inset 0 0 0 3px #fff;
  background: var(--sb-accent);
}

.fv-sentences-builder .form-radios[id^="edit-parms-feedback-setting"] input:focus-visible + label.option {
  outline: 0;
}

.fv-sentences-builder .form-radios[id^="edit-parms-feedback-setting"] input:focus-visible + label.option::before {
  outline: 2px solid var(--fvbluelight2, #018fe2);
  outline-offset: 2px;
}

/* ---------------- Tenses ---------------- */
.fv-sentences-builder .tenses-grid {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid #eef0f4;
}

.fv-sentences-builder .tenses-grid .form-checkboxes {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 8px;
  padding: 0;
}

.fv-sentences-builder .tenses-grid label.option {
  display: block;
  border-radius: var(--sb-radius-sm);
  text-align: left;
}

.fv-sentences-builder .tenses-grid.tenses-locked {
  opacity: .6;
  pointer-events: none;
}

/* ---------------- Disabled fields ---------------- */
.fv-sentences-builder .form-disabled label,
.fv-sentences-builder .form-disabled .fieldset-legend {
  color: #9aa4b2;
}

.fv-sentences-builder select[disabled],
.fv-sentences-builder input[disabled] {
  background: var(--fvgrayl1, #f9f9f9);
  color: var(--sb-ink-soft);
  cursor: not-allowed;
}

/* ---------------- Count + generate bar ---------------- */
.fv-sentences-builder .sb-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  background: #fff;
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius);
  box-shadow: var(--sb-shadow);
}

.fv-sentences-builder .sentences-count-info {
  flex: 1 1 260px;
  width: auto;
  margin: 0;
  padding: 10px 14px;
  border: 0;
  border-left: 4px solid var(--sb-ok);
  border-radius: var(--sb-radius-sm);
  background: #eaf6ef;
  color: var(--sb-ok);
  font-size: 1rem;
  font-weight: 600;
}

.fv-sentences-builder .form-actions {
  display: flex;
  margin: 0;
  padding: 0;
}

/* Same look as the builder's Generate button (.eb-actionbar in
   fv_exercisebuilder/css/exercisebuilder.css). */
.fv-sentences-builder .form-actions input[type="submit"] {
  margin: 0;
  padding: 0.6rem 1.6rem;
  border: 0;
  border-radius: 5px;
  background: var(--sb-heading);
  color: #fff;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 650;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.1s ease;
}

.fv-sentences-builder .form-actions input[type="submit"]:hover {
  background: var(--sb-accent);
}

.fv-sentences-builder .form-actions input[type="submit"]:active {
  transform: translateY(1px);
}

.fv-sentences-builder .form-actions input[type="submit"]:focus-visible {
  outline: 2px solid #018fe2;
  outline-offset: 2px;
}

/* ---------------- Admin-only query dump ---------------- */
.fv-sentences-builder .debug-query-info {
  width: auto;
  margin: 0;
  border: 1px dashed var(--sb-border);
  border-radius: var(--sb-radius-sm);
  background: var(--fvgrayl1, #f9f9f9);
}

.fv-sentences-builder .debug-query-info summary {
  padding: 8px 12px;
  color: var(--sb-ink-soft);
  font-size: .85rem;
  cursor: pointer;
}

.fv-sentences-builder .debug-query-info pre {
  margin: 0 12px 12px;
  white-space: pre-wrap;
  word-break: break-all;
  font-size: 12px;
  color: #666;
}

/* ---------------- Narrow screens ---------------- */
@media (max-width: 600px) {
  .fv-sentences-builder .sb-card {
    padding: 16px;
  }

  .fv-sentences-builder .sb-card__body {
    grid-template-columns: 1fr;
  }

  .fv-sentences-builder .sb-bar {
    align-items: stretch;
  }

  .fv-sentences-builder .form-actions,
  .fv-sentences-builder .form-actions input[type="submit"] {
    width: 100%;
  }

  .fv-sentences-builder .form-actions input[type="submit"] {
    padding: 0.7rem 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .fv-sentences-builder .form-actions input[type="submit"] {
    transition: none;
  }
}