/* ==========================================
   FORMS - Formularios y campos de entrada
   ========================================== */

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
}

.form-label.required::after {
  content: '*';
  color: var(--color-error);
  margin-left: 4px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  font-size: var(--font-size-base);
  line-height: 1.5;
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  border: var(--border-width-thick) solid var(--color-border-medium);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
  font-family: inherit;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-control:disabled {
  background: var(--color-bg-tertiary);
  cursor: not-allowed;
  opacity: 0.6;
}

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

/* Textarea */
textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

/* Select */
select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23374151' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

/* Estados de validación */
.form-control.is-valid {
  border-color: var(--color-success);
}

.form-control.is-valid:focus {
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

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

.form-control.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Mensajes de validación */
.form-text {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

.invalid-feedback {
  display: none;
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-error);
}

.form-control.is-invalid ~ .invalid-feedback {
  display: block;
}

.valid-feedback {
  display: none;
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-success);
}

.form-control.is-valid ~ .valid-feedback {
  display: block;
}

/* Checkbox y Radio */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
}

.form-check-input {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--color-primary);
}

.form-check-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  user-select: none;
}

/* Input Group */
.input-group {
  display: flex;
  gap: var(--spacing-xs);
}

.input-group .form-control {
  flex: 1;
}

.input-group-text {
  display: flex;
  align-items: center;
  padding: 10px 14px;
  background: var(--color-bg-secondary);
  border: var(--border-width-thick) solid var(--color-border-medium);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  white-space: nowrap;
}

/* Form Row */
.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

.form-row.cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.form-row.cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

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

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

.search-input .form-control {
  padding-left: 40px;
}

.search-input::before {
  content: '\f002';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-tertiary);
  pointer-events: none;
}