/* ── Forms ───────────────────────────────────────────────── */

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-label {
  font-size: var(--text-xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--color-warm);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: var(--text-base);
  letter-spacing: var(--ls-wide);
  color: var(--color-ink);
  background: var(--color-paper);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--t-fast) var(--ease);
  appearance: none;
}

.form-control:focus {
  border-color: var(--color-ink);
}

.form-control::placeholder {
  color: var(--text-muted);
}

.form-control:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.form-control.has-error {
  border-color: var(--color-error);
}

/* Error message */

.form-error {
  font-size: var(--text-xs);
  color: var(--color-error);
  letter-spacing: var(--ls-wide);
}

/* Hint */

.form-hint {
  font-size: var(--text-xs);
  color: var(--text-muted);
  letter-spacing: var(--ls-wide);
}

/* Select */

.form-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='%230C0C0C' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

/* Textarea */

.form-textarea {
  resize: vertical;
  min-height: 8rem;
  line-height: var(--lh-base);
}

/* Checkbox & Radio */

.form-check {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  cursor: pointer;
  user-select: none;
}

.form-check__input {
  flex-shrink: 0;
  width: 1.125rem;
  height: 1.125rem;
  margin-top: 0.1em;
  appearance: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  background: var(--color-paper);
  cursor: pointer;
  transition: background var(--t-fast), border-color var(--t-fast);
  position: relative;
}

.form-check__input:checked {
  background: var(--color-ink);
  border-color: var(--color-ink);
}

.form-check__input:checked::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0.375rem;
  height: 0.625rem;
  border: 1.5px solid var(--color-paper);
  border-top: none;
  border-left: none;
  transform: translate(-50%, -60%) rotate(45deg);
}

.form-check__input[type="radio"] {
  border-radius: var(--radius-full);
}

.form-check__input[type="radio"]:checked::after {
  width: 0.5rem;
  height: 0.5rem;
  border: none;
  background: var(--color-paper);
  border-radius: var(--radius-full);
  transform: translate(-50%, -50%);
}

.form-check__label {
  font-size: var(--text-sm);
  letter-spacing: var(--ls-wide);
  color: var(--color-ink);
  line-height: 1.4;
}

/* Row layout */

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-3);
}

@media (min-width: 480px) {
  .form-row--2 { grid-template-columns: repeat(2, 1fr); }
  .form-row--3 { grid-template-columns: repeat(3, 1fr); }
}

/* Form stack */

.form-stack {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}