/* ============================================
   PÁGINA DE CONFIGURACIÓN
   ============================================ */

/* Tabs de Configuración */
.config-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--border-color);
    overflow-x: auto;
}

.config-tab {
    padding: var(--spacing-md) var(--spacing-lg);
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    font-weight: 600;
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    margin-bottom: -2px;
}

.config-tab:hover {
    color: var(--text-color);
    background: var(--bg-hover);
}

.config-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* Paneles de Configuración */
.config-panel {
    display: none;
}

.config-panel.active {
    display: block;
}

/* Secciones de Configuración */
.config-section {
    margin-bottom: var(--spacing-xl);
}

.config-label {
    display: block;
    font-weight: 600;
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-md);
    color: var(--text-color);
}

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

/* Selector de Tema */
.theme-selector {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.theme-option {
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.theme-option:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.theme-option.active {
    border-color: var(--primary-color);
    background: var(--primary-light);
}

.theme-preview {
    width: 100%;
    height: 120px;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--border-color);
}

.theme-preview-light {
    background: #ffffff;
}

.theme-preview-dark {
    background: #1a1a1a;
}

.preview-header {
    height: 20px;
    background: rgba(0, 0, 0, 0.1);
}

.theme-preview-dark .preview-header {
    background: rgba(255, 255, 255, 0.1);
}

.preview-body {
    display: flex;
    height: 100px;
}

.preview-sidebar {
    width: 40px;
    background: rgba(0, 0, 0, 0.8);
}

.theme-preview-dark .preview-sidebar {
    background: rgba(255, 255, 255, 0.05);
}

.preview-content {
    flex: 1;
    padding: var(--spacing-sm);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.preview-content::before,
.preview-content::after {
    content: '';
    height: 8px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 2px;
}

.theme-preview-dark .preview-content::before,
.theme-preview-dark .preview-content::after {
    background: rgba(255, 255, 255, 0.1);
}

.theme-info {
    text-align: center;
}

.theme-name {
    font-weight: 600;
    font-size: var(--font-size-base);
    color: var(--text-color);
    margin-bottom: var(--spacing-xs);
}

.theme-description {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Logo Upload */
.logo-upload {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 2px dashed var(--border-color);
}

.logo-preview {
    width: 120px;
    height: 120px;
    border-radius: var(--radius-md);
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.logo-preview img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.logo-upload-info {
    flex: 1;
}

/* Checkboxes */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-base);
    color: var(--text-color);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* Card Footer */
.card-footer {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
}

/* Responsive */
@media (max-width: 768px) {
    .config-tabs {
        overflow-x: auto;
    }

    .theme-selector {
        grid-template-columns: 1fr;
    }

    .logo-upload {
        flex-direction: column;
        text-align: center;
    }
}

/* Gestión de Normas ISO */
.normas-lista-config {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.norma-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.2s ease;
}

.norma-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.norma-info {
    flex: 1;
}

.norma-codigo {
    font-weight: 600;
    color: var(--text-color);
    font-size: 1rem;
    margin-bottom: 4px;
}

.norma-descripcion {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.norma-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    margin-left: var(--spacing-sm);
}

.norma-badge.activa {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
}

.norma-badge.inactiva {
    background: rgba(156, 163, 175, 0.1);
    color: #9ca3af;
}

.norma-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.875rem;
}

.form-help {
    display: block;
    margin-top: 4px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}