/* ============================================================
   FORMS
   ============================================================ */

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-primary);
}

.form-label .required {
  color: var(--danger);
  margin-left: var(--space-1);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.375rem 0.625rem;
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-inset);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-tertiary);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: var(--border-strong);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  outline: none;
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
  background: var(--bg-secondary);
  color: var(--text-tertiary);
  cursor: not-allowed;
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px var(--danger-soft);
}

.form-textarea {
  min-height: 6rem;
  resize: vertical;
}

.form-select {
  appearance: none;
  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='%236e6e73' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-right: var(--space-8);
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

.form-error {
  font-size: var(--text-xs);
  color: var(--danger);
}

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

@media (min-width: 768px) {
  .form-row--2 { grid-template-columns: repeat(2, 1fr); }
  .form-row--3 { grid-template-columns: repeat(3, 1fr); }
  .form-row--4 { grid-template-columns: repeat(4, 1fr); }
}

/* Checkbox / Radio */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-primary);
  cursor: pointer;
}

.form-check input {
  width: 1rem;
  height: 1rem;
  accent-color: var(--accent);
}

/* Checkbox list item (permisos, opciones) */
.checkbox-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.4375rem var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-primary);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.checkbox-item:hover {
  background: var(--bg-secondary);
}

.checkbox-item input {
  width: 1rem;
  height: 1rem;
  accent-color: var(--accent);
}

/* Toggle switch */
.switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-primary);
  cursor: pointer;
}

.switch input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.switch__track {
  position: relative;
  width: 2.25rem;
  height: 1.25rem;
  flex-shrink: 0;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  transition: background var(--transition-fast);
}

.switch__track::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 1rem;
  height: 1rem;
  background: var(--bg-primary);
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.switch input:checked + .switch__track {
  background: var(--accent);
}

.switch input:checked + .switch__track::after {
  transform: translateX(1rem);
}

/* Input group */
.input-group {
  display: flex;
  align-items: stretch;
}

.input-group .form-input {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.input-group .btn {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

/* Search input */
.search-input {
  position: relative;
}

.search-input__icon {
  position: absolute;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  pointer-events: none;
}

.search-input .form-input {
  padding-left: var(--space-8);
}