/* ── XML Formatter & Validator — tool-specific styles ────────────────────
   Global styles are inherited from /css/style.css.
   Colours reference CSS custom properties only — no hardcoded values.
   ─────────────────────────────────────────────────────────────────────── */

.xf-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
}

.xf-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.85rem;
}

.xf-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card, 8px);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.xf-card__heading {
  font-size: 1.05rem;
  margin: 0;
}

.xf-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.xf-options-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 1.25rem;
}

.xf-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.xf-indent-field {
  max-width: 220px;
}

.xf-input,
.xf-select {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-control, 8px);
  background: var(--bg-input, var(--bg-card));
  color: var(--text-primary);
  font-size: 0.95rem;
}

.xf-select {
  font-family: inherit;
  cursor: pointer;
}

.xf-select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.xf-checkbox {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.9rem;
  color: var(--text-primary);
  cursor: pointer;
  padding-bottom: 0.6rem;
}

.xf-checkbox input[type="checkbox"] {
  accent-color: var(--accent);
  margin: 0;
}

.xf-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-control, 8px);
  font-size: 0.875rem;
  font-weight: 600;
  width: fit-content;
}

.xf-status[hidden] { display: none; }

.xf-status--valid {
  background: rgba(34, 197, 94, 0.12);
  color: #15803d;
  border: 1px solid rgba(34, 197, 94, 0.35);
}

.xf-status--invalid {
  background: rgba(239, 68, 68, 0.1);
  color: #b91c1c;
  border: 1px solid rgba(239, 68, 68, 0.35);
}

[data-theme='dark'] .xf-status--valid { color: #86efac; }
[data-theme='dark'] .xf-status--invalid { color: #fca5a5; }

.xf-error {
  margin: 0;
  color: var(--color-danger, #ef4444);
  font-size: 0.875rem;
  white-space: pre-wrap;
}

.xf-error[hidden] { display: none; }

.xf-empty {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
  text-align: center;
  padding: 1rem 0;
}

.xf-empty[hidden] { display: none; }

#xf-stats[hidden] { display: none; }

.xf-uses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.xf-uses-grid article h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
}

.xf-uses-grid article p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

@media (max-width: 640px) {
  .xf-options-row {
    flex-direction: column;
    align-items: stretch;
  }
  .xf-indent-field {
    max-width: none;
  }
}