/* ============================================================
   forms.css — Soft Studio form components
   Phase 3 design overhaul. All values use design tokens.
   Owner: ui-forms agent. No hex literals. No inline styles.
   ============================================================ */

/* ── Visually-hidden utility (screen-reader only) ─────────── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Form wrapper ─────────────────────────────────────────── */
.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* ── Row layout (card already provides outer padding) ─────── */
.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.row.row-1 {
  grid-template-columns: 1fr;
}

/* ── Field wrapper ────────────────────────────────────────── */
.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

/* ── Label ────────────────────────────────────────────────── */
.form-field label,
.row > div > label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--ink-2);
  margin-bottom: var(--space-1);
  line-height: 1.4;
}

/* ── Base input / select / textarea ──────────────────────── */
.form-field input,
.form-field select,
.form-field textarea,
.row > div > input,
.row > div > select,
.row > div > textarea {
  display: block;
  width: 100%;
  min-height: var(--control-h, 40px);
  padding: 9px var(--control-pad-x, 14px);
  border: 1px solid var(--control-border, var(--line-3));
  border-radius: var(--r-2);
  font-size: var(--font-size-sm);
  font-family: inherit;
  background: var(--control-bg, var(--surface-1));
  color: var(--ink-1);
  transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease);
  box-sizing: border-box;
  appearance: none;
  -webkit-appearance: none;
}

/* Select arrow */
.form-field select,
.row > div > select {
  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='%236b7280' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 30px;
}

/* Textarea */
.form-field textarea,
.row > div > textarea {
  min-height: 96px;
  resize: vertical;
}

/* File input */
.form-field input[type="file"],
.row > div > input[type="file"] {
  padding: 6px 10px;
  cursor: pointer;
}

.form-field input[type="checkbox"],
.form-field input[type="radio"],
.row > div > input[type="checkbox"],
.row > div > input[type="radio"] {
  min-height: auto;
  width: auto;
  accent-color: var(--accent-primary);
}

/* ── Focus ring (sage accent, WCAG 2.1 §2.4.7) ───────────── */
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus,
.row > div > input:focus,
.row > div > select:focus,
.row > div > textarea:focus {
  outline: none;
  border-color: var(--accent-sage-2, var(--accent-primary));
  background: var(--surface-2);
  box-shadow: 0 0 0 4px var(--focus-halo, rgba(42, 111, 148, 0.18));
}

.form-field input:focus-visible,
.form-field select:focus-visible,
.form-field textarea:focus-visible,
.row > div > input:focus-visible,
.row > div > select:focus-visible,
.row > div > textarea:focus-visible {
  outline: 3px solid var(--focus-ring, var(--accent-secondary));
  outline-offset: 2px;
}

/* ── Disabled state ───────────────────────────────────────── */
.form-field input:disabled,
.form-field select:disabled,
.form-field textarea:disabled,
.row > div > input:disabled,
.row > div > select:disabled,
.row > div > textarea:disabled {
  background: var(--surface-2);
  color: var(--ink-4);
  cursor: not-allowed;
  border-color: var(--line-2);
  opacity: 0.72;
}

.form-field input[aria-invalid="true"],
.form-field select[aria-invalid="true"],
.form-field textarea[aria-invalid="true"],
.row > div > input[aria-invalid="true"],
.row > div > select[aria-invalid="true"],
.row > div > textarea[aria-invalid="true"] {
  border-color: var(--accent-crimson);
  box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.12);
}

/* ── Required asterisk ────────────────────────────────────── */
.required-asterisk {
  color: var(--status-red);
  margin-left: 2px;
  font-weight: 600;
  font-style: normal;
}

/* ── Audit badge ──────────────────────────────────────────── */
.audit-badge {
  display: inline-block;
  font-size: 10px;
  background: var(--surface-info);
  color: var(--ink-info);
  border-radius: var(--r-pill);
  padding: 1px 5px;
  margin-left: var(--space-1);
  vertical-align: middle;
  font-weight: 500;
  line-height: 1.6;
}

/* ── Help text ────────────────────────────────────────────── */
.form-help,
.help {
  font-size: var(--font-size-xs);
  color: var(--ink-3);
  margin-top: var(--space-1);
  line-height: 1.4;
}

/* ── Inline error ─────────────────────────────────────────── */
.form-error {
  font-size: var(--font-size-xs);
  color: var(--status-red);
  margin-top: var(--space-1);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* ── Optional label hint ──────────────────────────────────── */
.form-optional {
  font-size: var(--font-size-xs);
  color: var(--ink-3);
  font-weight: 400;
  margin-left: var(--space-1);
}

/* ── Attachment chip ──────────────────────────────────────── */
.attachment-chip {
  display: inline-block;
  margin-right: var(--space-2);
}

/* ── Attachments row spacing ──────────────────────────────── */
.row-attachments {
  margin-top: var(--space-3);
}

/* ── Form actions bar ─────────────────────────────────────── */
.form-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--line-2);
  margin-top: var(--space-2);
}

@media (max-width: 700px) {
  .row {
    grid-template-columns: 1fr;
  }

  .form-actions {
    align-items: stretch;
  }

  .form-actions .btn,
  .form-actions button {
    width: 100%;
  }
}