/**
 * @file forms.css
 * @description Estilos para formulários: inputs, selects, labels, validação.
 */

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

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

.form-label .required {
    color: var(--danger-color);
    margin-left: 2px;
}

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

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
    border-color: var(--gray-300);
}

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

.form-input::placeholder {
    color: var(--gray-400);
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
    background: var(--gray-50);
    cursor: not-allowed;
    opacity: 0.7;
}

/* Textarea */
.form-textarea {
    min-height: 80px;
    resize: vertical;
}

/* Select */
.form-select {
    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='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* Validação */
.form-input.is-invalid,
.form-select.is-invalid {
    border-color: var(--danger-color);
}

.form-input.is-invalid:focus,
.form-select.is-invalid:focus {
    box-shadow: 0 0 0 3px var(--danger-light);
}

.form-input.is-valid,
.form-select.is-valid {
    border-color: var(--success-color);
}

.form-error {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--danger-color);
    margin-top: var(--spacing-xs);
}

.form-help {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--text-light);
    margin-top: var(--spacing-xs);
}

/* Alias Bootstrap-like: form-control = form-input/select/textarea */
.form-control {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-primary);
    color: var(--text-primary);
    box-sizing: border-box;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:hover {
    border-color: var(--gray-300);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-control::placeholder {
    color: var(--gray-400);
}

.form-control:disabled {
    background: var(--gray-50);
    cursor: not-allowed;
    opacity: 0.7;
}

/* Grid de formulário */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.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);
}

/* Toggle Switch */
.toggle {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    width: 44px;
    height: 24px;
}

.toggle input[type="checkbox"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
    z-index: 1;
    margin: 0;
}

.toggle-slider {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    background-color: var(--gray-300);
    border-radius: 24px;
    flex-shrink: 0;
    transition: background-color var(--transition-fast);
    cursor: pointer;
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    left: 3px;
    top: 50%;
    transform: translateY(-50%);
    background: white;
    border-radius: 50%;
    transition: transform var(--transition-fast), left var(--transition-fast);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.toggle input[type="checkbox"]:checked+.toggle-slider {
    background-color: var(--primary-color);
}

.toggle input[type="checkbox"]:checked+.toggle-slider::before {
    transform: translateX(20px) translateY(-50%);
}

.toggle input[type="checkbox"]:focus+.toggle-slider {
    box-shadow: 0 0 0 3px var(--primary-light);
}

.toggle input[type="checkbox"]:disabled+.toggle-slider {
    opacity: 0.5;
    cursor: not-allowed;
}

.toggle:hover .toggle-slider {
    background-color: var(--gray-400);
}

.toggle input[type="checkbox"]:checked:hover+.toggle-slider {
    background-color: var(--primary-dark);
}



/* Radio (mantido) */
.form-check input[type="radio"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary-color);
}

/* Pesquisa/filtro inline */
.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.search-input-wrapper .search-icon {
    position: absolute;
    left: 12px;
    color: var(--gray-400);
    pointer-events: none;
}

.search-input-wrapper .form-input {
    padding-left: 36px;
}

/* Input de arquivo (drag and drop) */
.file-drop-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    background: var(--gray-50);
}

.file-drop-zone:hover,
.file-drop-zone.drag-over {
    border-color: var(--primary-color);
    background: var(--primary-light);
}

.file-drop-zone i {
    font-size: 40px;
    color: var(--gray-400);
    margin-bottom: var(--spacing-md);
}

.file-drop-zone p {
    font-size: var(--font-size-sm);
}

.file-drop-zone .file-types {
    font-size: var(--font-size-xs);
    color: var(--text-light);
    margin-top: var(--spacing-xs);
}