/* =====================================================================
   Forms
   ===================================================================== */

.field {
  margin-bottom: var(--space-5);
}

.field label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-navy-900);
  margin-bottom: var(--space-2);
}

.field .hint {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-slate-600);
  margin-top: var(--space-1);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-white);
  color: var(--color-ink);
  transition: border-color var(--duration-fast) var(--ease-out);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--color-navy-500);
  outline: none;
  box-shadow: 0 0 0 3px var(--color-navy-100);
}

.field textarea { resize: vertical; min-height: 96px; }

.field.required label::after {
  content: ' *';
  color: var(--color-orange-500);
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

@media (max-width: 640px) {
  .field-row { grid-template-columns: 1fr; }
}

.form-section {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-6);
  margin-top: var(--space-6);
}

.form-section:first-child { border-top: none; padding-top: 0; margin-top: 0; }

.form-section-title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.form-section-title .step-badge {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--color-navy-700);
  color: var(--color-white);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

.form-section-title h3 { margin: 0; font-size: var(--text-lg); }

/* Tracking number input, mono for readability of alphanumeric codes */
.tracking-input-group {
  display: flex;
  gap: var(--space-3);
  max-width: 560px;
}

.tracking-input-group input {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: var(--text-lg);
  padding: var(--space-4) var(--space-5);
}

@media (max-width: 560px) {
  .tracking-input-group { flex-direction: column; }
}

.field-error {
  color: var(--color-danger);
  font-size: var(--text-xs);
  margin-top: var(--space-1);
  display: none;
}

.field.has-error input,
.field.has-error select,
.field.has-error textarea {
  border-color: var(--color-danger);
}

.field.has-error .field-error { display: block; }