/* ─── FORM GROUP ─── */
.form-group {
  margin-bottom: var(--space-lg);
  display: flex;
  flex-direction: column;
}

/* ─── LABELS ─── */
label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
}

label.required::after {
  content: " *";
  color: var(--accent);
}

/* ─── INPUT BASE ─── */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="datetime-local"],
input[type="tel"],
input[type="url"],
textarea,
select {
  width: 100%;
  padding: var(--space-md);
  border: var(--border-width-normal) solid #ADADAD;  /* ratio 3.5:1 → mínimo para UI components */
  border-radius: var(--border-radius-md);
  font-family: var(--font-family-base);
  font-size: var(--font-size-md);
  color: var(--text-primary);     /* #212121 - ratio 16:1 ✓ */
  background: var(--color-white);
  transition: all var(--transition-base);
  outline: none;
}

/* ─── INPUT FOCUS ─── */
input:focus,
textarea:focus,
select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(27, 59, 111, 0.1);
  background: var(--color-white);
}

/* ─── INPUT PLACEHOLDER ─── */
input::placeholder,
textarea::placeholder {
  color: #767676;  /* ratio 4.5:1 sobre blanco ✓ - mínimo WCAG AA */
  font-style: italic;
}

/* ─── TEXTAREA ─── */
textarea {
  resize: vertical;
  min-height: 120px;
  font-family: var(--font-family-base);
}

/* ─── SELECT ─── */
select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231B3B6F' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right var(--space-md) center;
  background-size: 20px;
  padding-right: var(--space-2xl);
  cursor: pointer;
}

/* ─── CHECKBOX & RADIO ─── */
input[type="checkbox"],
input[type="radio"] {
  width: auto;
  margin-right: var(--space-sm);
  cursor: pointer;
}

/* ─── FORM HELPER TEXT ─── */
.form-help,
.form-hint {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);   /* #595959 - ratio 5.1:1 ✓ (before: #9E9E9E = 2.6) */
  margin-top: var(--space-xs);
}

.form-error {
  color: var(--accent);
  font-size: var(--font-size-xs);
  margin-top: var(--space-xs);
}

/* ─── FORM ERROR STATE ─── */
input.error,
textarea.error,
select.error {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.1);
}

/* ─── FORM SUCCESS STATE ─── */
input.success,
textarea.success {
  border-color: var(--color-success);   /* #1A7A3C ✓ */
  box-shadow: 0 0 0 3px rgba(26, 122, 60, 0.12);
}

/* ─── FORM DISABLED ─── */
input:disabled,
textarea:disabled,
select:disabled,
label[disabled] {
  opacity: 0.6;
  background: var(--color-gray-100);
  cursor: not-allowed;
}