/* ===== PALETA DE COLORES IAFISCAL ===== */
:root {
    /* Colores Primarios - Azules Corporativos */
    --primary-blue: #1e3a5f;
    --primary-blue-dark: #152a45;
    --primary-blue-light: #2c5282;
    --primary-blue-lighter: #3d6ba3;
    --primary-blue-lightest: #e8eef4;
    
    /* Colores Secundarios - Grises */
    --gray-50: #f8f9fa;
    --gray-100: #e9ecef;
    --gray-200: #dee2e6;
    --gray-300: #ced4da;
    --gray-400: #adb5bd;
    --gray-500: #718096;
    --gray-600: #2d3748;
    --gray-700: #2d3748;
    --gray-800: #2d3748;
    --gray-900: #1a1d20;
    
    /* Colores de Estado */
    --success: #38a169;
    --success-light: #d4edda;
    --warning: #d69e2e;
    --warning-light: #fff3cd;
    --danger: #c53030;
    --danger-light: #f8d7da;
    --info: #17a2b8;
    --info-light: #d1ecf1;
    
    /* Tipografía */
    --font-family-primary: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    --font-family-heading: "Segoe UI", system-ui, -apple-system, sans-serif;
    
    /* Espaciado */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Bordes y Sombras */
    --border-radius: 8px;
    --border-radius-sm: 4px;
    --border-radius-lg: 12px;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
}

/* ===== ESTILOS GLOBALES ===== */
body {
    font-family: var(--font-family-primary);
    background-color: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

/* ===== COMPONENTES PERSONALIZADOS ===== */

/* Botones */
.btn-primary {
    background-color: var(--primary-blue);
    border-color: var(--primary-blue);
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--primary-blue-dark);
    border-color: var(--primary-blue-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline-primary {
    color: var(--primary-blue);
    border-color: var(--primary-blue);
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background-color: var(--primary-blue);
    border-color: var(--primary-blue);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* Tarjetas */
.card {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    background-color: white;
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-header {
    background-color: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0 !important;
    padding: var(--spacing-lg);
}

.card-body {
    padding: var(--spacing-lg);
}

/* Tarjetas de Módulo */
.module-card {
    background: linear-gradient(135deg, var(--primary-blue-lightest) 0%, white 100%);
    border: 1px solid var(--primary-blue-lighter);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.module-card:hover {
    background: linear-gradient(135deg, var(--primary-blue-light) 0%, var(--primary-blue-lightest) 100%);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue);
}

.module-card .module-icon {
    font-size: 3rem;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
    transition: all 0.3s ease;
}

.module-card:hover .module-icon {
    color: white;
    transform: scale(1.1);
}

.module-card .module-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
    transition: all 0.3s ease;
}

.module-card:hover .module-title {
    color: white;
}

.module-card .module-description {
    font-size: 0.9rem;
    color: var(--gray-600);
    transition: all 0.3s ease;
}

.module-card:hover .module-description {
    color: rgba(255, 255, 255, 0.9);
}

/* Estadísticas */
.stat-card {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--primary-blue);
    transition: all 0.3s ease;
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.stat-card.stat-success {
    border-left-color: var(--success);
}

.stat-card.stat-warning {
    border-left-color: var(--warning);
}

.stat-card.stat-danger {
    border-left-color: var(--danger);
}

.stat-card.stat-info {
    border-left-color: var(--info);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Sidebar */
#sidebar-wrapper {
    background-color: white !important;
    border-right: 1px solid var(--gray-200) !important;
    box-shadow: var(--shadow-sm);
}

.sidebar-heading {
    background-color: var(--primary-blue) !important;
    color: white !important;
    padding: var(--spacing-lg);
    border-bottom: none !important;
}

.sidebar-heading a {
    color: white !important;
    font-size: 1.25rem;
    font-weight: 600;
}

.list-group-item-action {
    border: none !important;
    padding: var(--spacing-md) var(--spacing-lg) !important;
    color: var(--gray-700) !important;
    transition: all 0.3s ease;
}

.list-group-item-action:hover {
    background-color: var(--primary-blue-lightest) !important;
    color: var(--primary-blue) !important;
    padding-left: var(--spacing-xl) !important;
}

.list-group-item-action.active {
    background-color: var(--primary-blue) !important;
    color: white !important;
}

/* Navbar */
.navbar {
    box-shadow: var(--shadow-sm);
    background-color: white !important;
}

.navbar-brand {
    font-weight: 600;
    color: var(--primary-blue) !important;
}

/* Formularios */
.form-control {
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 0.2rem rgba(30, 58, 95, 0.25);
}

.form-label {
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

/* Tablas */
.table {
    background-color: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table thead th {
    background-color: var(--primary-blue);
    color: white;
    font-weight: 600;
    border: none;
    padding: var(--spacing-lg);
}

.table tbody tr {
    transition: all 0.3s ease;
}

.table tbody tr:hover {
    background-color: var(--primary-blue-lightest);
}

.table tbody td {
    padding: var(--spacing-md) var(--spacing-lg);
    border-color: var(--gray-200);
}

/* Modales */
.modal-content {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
}

.modal-header {
    background-color: var(--primary-blue);
    color: white;
    border-bottom: none;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.modal-header .btn-close {
    filter: invert(1);
}

/* Alertas */
.alert {
    border: none;
    border-radius: var(--border-radius);
    font-weight: 500;
}

.alert-success {
    background-color: var(--success-light);
    color: var(--success);
}

.alert-warning {
    background-color: var(--warning-light);
    color: #856404;
}

.alert-danger {
    background-color: var(--danger-light);
    color: var(--danger);
}

.alert-info {
    background-color: var(--info-light);
    color: var(--info);
}

/* Badges */
.badge {
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: var(--border-radius);
}

/* Animaciones */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Utilidades */
.text-primary {
    color: var(--primary-blue) !important;
}

.bg-primary {
    background-color: var(--primary-blue) !important;
}

.border-primary {
    border-color: var(--primary-blue) !important;
}

/* Responsive */
@media (max-width: 768px) {
    .module-card {
        margin-bottom: var(--spacing-lg);
    }
    
    .stat-card {
        margin-bottom: var(--spacing-md);
    }
    
    #sidebar-wrapper {
        margin-left: -250px;
    }
    
    body.sb-sidenav-toggled #sidebar-wrapper {
        margin-left: 0;
    }
}

/* Efectos de carga */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Mejoras de accesibilidad */
.btn:focus,
.form-control:focus,
.list-group-item-action:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

/* Estilos para impresión */
@media print {
    .sidebar-wrapper,
    .navbar,
    .btn {
        display: none !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid var(--gray-300) !important;
    }
}


/* ===== MEJORAS ADICIONALES PARA UX ===== */

/* Mejoras para el sidebar */
.sidebar-section-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: var(--spacing-md) var(--spacing-lg) var(--spacing-sm) var(--spacing-lg);
    margin-top: var(--spacing-md);
}

/* Indicador de página activa en sidebar */
.list-group-item-action.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background-color: white;
    border-radius: 0 4px 4px 0;
}

/* Mejoras para el dashboard header */
.dashboard-header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: white;
    padding: var(--spacing-xxl) 0;
    margin: calc(-1 * var(--spacing-lg)) calc(-1 * var(--spacing-lg)) var(--spacing-xl) calc(-1 * var(--spacing-lg));
    border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
    position: relative;
    overflow: hidden;
}

.dashboard-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="40" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="40" cy="80" r="1.5" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.3;
}

.dashboard-header .container {
    position: relative;
    z-index: 1;
}

.welcome-text {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 0;
}

.quick-stats {
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.quick-stats .stat-item {
    text-align: center;
    color: white;
}

.quick-stats .stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    display: block;
}

.quick-stats .stat-label {
    font-size: 0.85rem;
    opacity: 0.8;
    font-weight: 500;
}

/* Mejoras para las tarjetas de estadísticas del dashboard */
.dashboard .stat-card {
    border: none;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
}

.dashboard .stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, rgba(255,255,255,0.3) 0%, rgba(255,255,255,0.1) 100%);
}

.dashboard .stat-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.dashboard .stat-card .card-footer {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.dashboard .stat-card .card-footer:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Mejoras para botones de acción */
.action-button {
    border-radius: var(--border-radius);
    font-weight: 500;
    padding: var(--spacing-md) var(--spacing-lg);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.action-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.action-button:hover::before {
    left: 100%;
}

.action-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Mejoras para módulos especializados */
.module-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.module-button {
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all 0.3s ease;
    text-decoration: none;
    color: var(--gray-700);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    position: relative;
    overflow: hidden;
}

.module-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-blue-lightest), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.module-button:hover {
    border-color: var(--primary-blue);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    color: var(--primary-blue);
}

.module-button:hover::before {
    opacity: 1;
}

.module-button i {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.module-button span {
    font-weight: 600;
    position: relative;
    z-index: 1;
}

/* Mejoras para notificaciones */
.notification-card {
    border-left: 4px solid var(--warning);
    background: linear-gradient(135deg, var(--warning-light), white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.notification-item {
    border-radius: var(--border-radius);
    border: none;
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-sm);
}

.notification-item:last-child {
    margin-bottom: 0;
}

/* Animaciones mejoradas */
@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-left {
    animation: slideInFromLeft 0.6s ease-out;
}

.slide-in-right {
    animation: slideInFromRight 0.6s ease-out;
}

/* Mejoras responsive adicionales */
@media (max-width: 992px) {
    .dashboard-header {
        padding: var(--spacing-xl) 0;
    }
    
    .quick-stats {
        margin-top: var(--spacing-lg);
    }
    
    .module-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: var(--spacing-md);
    }
}

@media (max-width: 576px) {
    .dashboard-header {
        margin: calc(-1 * var(--spacing-md)) calc(-1 * var(--spacing-md)) var(--spacing-lg) calc(-1 * var(--spacing-md));
        padding: var(--spacing-lg) 0;
    }
    
    .quick-stats .row {
        text-align: center;
    }
    
    .quick-stats .stat-number {
        font-size: 1.25rem;
    }
    
    .module-button {
        min-height: 100px;
        padding: var(--spacing-lg);
    }
    
    .module-button i {
        font-size: 1.5rem;
    }
}

/* Estados de carga mejorados */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    border-radius: inherit;
}

.loading-spinner-large {
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-200);
    border-top: 4px solid var(--primary-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Mejoras de accesibilidad adicionales */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus visible para mejor accesibilidad */
.btn:focus-visible,
.list-group-item-action:focus-visible,
.module-button:focus-visible {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(30, 58, 95, 0.25);
}

/* Mejoras para modo oscuro (preparación futura) */
@media (prefers-color-scheme: dark) {
    :root {
        --gray-50: #1a1d20;
        --gray-100: #2d3748;
        --gray-200: #2d3748;
        --gray-300: #2d3748;
        --gray-400: #718096;
        --gray-500: #adb5bd;
        --gray-600: #ced4da;
        --gray-700: #dee2e6;
        --gray-800: #e9ecef;
        --gray-900: #f8f9fa;
    }
}