/* ============================================================
   DCS S.A. — Forms
   Inputs, selects, textareas, validación, estados
   ============================================================ */

/* ── FORM GROUP ── */

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: var(--space-3);
}

.form-group:last-of-type {
  margin-bottom: 0;
}

/* ── LABEL ── */

.form-label {
  display: block;
  font-size: var(--text-small);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  line-height: 1;
}

.form-label .required {
  color: var(--color-error);
  margin-left: 3px;
}

/* ── INPUTS / TEXTAREA / SELECT ── */

.form-control {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-family);
  font-size: var(--text-body);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  background: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  outline: none;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
  appearance: none;
  -webkit-appearance: none;
}

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

.form-control:hover {
  border-color: #b0b0b0;
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-control.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(217,48,37,0.10);
}

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

/* ── TEXTAREA ── */

textarea.form-control {
  resize: vertical;
  min-height: 130px;
  line-height: var(--line-height-body);
}

/* ── SELECT ── */

select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
  cursor: pointer;
}

/* ── MENSAJE DE ERROR ── */

.form-error {
  display: none;
  font-size: var(--text-label);
  color: var(--color-error);
  font-weight: var(--font-weight-medium);
  margin-top: 2px;
}

.form-group.has-error .form-error {
  display: block;
}

.form-group.has-error .form-label {
  color: var(--color-error);
}

/* ── FILA DE 2 COLUMNAS ── */

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

/* ── CHECKBOX ── */

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-xs);
  background: var(--color-white);
  flex-shrink: 0;
  margin-top: 2px;
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast);
  background-image: none;
  background-repeat: no-repeat;
  background-position: center;
  background-size: 12px;
}

.form-checkbox input[type="checkbox"]:checked {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23343434' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
}

.form-checkbox input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.form-checkbox-label {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  line-height: var(--line-height-body);
}

.form-checkbox-label a {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  text-decoration: underline;
}

/* ── ESTADO SUBMIT ── */

.btn-submit {
  position: relative;
  overflow: hidden;
}

.btn-submit.loading {
  pointer-events: none;
  opacity: 0.75;
}

.btn-submit.loading::after {
  content: '';
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  border: 2px solid rgba(0,0,0,0.25);
  border-top-color: var(--color-dark);
  border-radius: var(--radius-pill);
  animation: spinSlow 0.8s linear infinite;
}

/* ── MENSAJES GLOBALES ── */

.form-success-msg {
  display: none;
  padding: var(--space-6);
  background: var(--color-success-bg);
  border: 1px solid rgba(30,142,62,0.25);
  border-radius: var(--radius-lg);
  text-align: center;
}

.form-success-msg.visible {
  display: block;
}

.form-success-msg h3 {
  font-size: var(--text-h4);
  color: var(--color-success);
  margin-bottom: var(--space-1);
}

.form-success-msg p {
  font-size: var(--text-body);
  color: var(--color-text-secondary);
  margin: 0;
}

.form-global-error {
  display: none;
  padding: var(--space-2) var(--space-3);
  background: var(--color-error-bg);
  border: 1px solid rgba(217,48,37,0.25);
  border-radius: var(--radius-md);
  font-size: var(--text-small);
  color: var(--color-error);
  margin-top: var(--space-2);
}

.form-global-error.visible {
  display: block;
}

/* ── INLINE NEWSLETTER FORM ── */

.newsletter-form {
  display: flex;
  gap: var(--space-2);
  max-width: 440px;
  margin-inline: auto;
}

.newsletter-form .form-control {
  flex: 1;
  border-radius: var(--radius-pill);
  padding: 13px 20px;
}

.newsletter-form .btn {
  flex-shrink: 0;
}

/* ── RESPONSIVE ── */

@media (max-width: 600px) {
  .form-row {
    grid-template-columns: 1fr;
  }

  .newsletter-form {
    flex-direction: column;
  }

  .newsletter-form .btn {
    width: 100%;
  }
}