/* ================================================
   BASE.CSS - Estilos base únicos para todos los módulos
   ================================================ */

/* Variables CSS globales */
:root {
    /* Colores principales */
    --color-primary: #667eea;
    --color-secondary: #764ba2;
    --color-success: #28a745;
    --color-success2: #138496;
    --color-danger: #dc3545;
    --color-warning: #ffc107;
    --color-info: #17a2b8;
    --color-light: #f8f9fa;
    --color-dark: #343a40;
    --color-purple: #6f42c1;
    
    /* Fondos */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --bg-dark: #343a40;
    
    /* Texto */
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-muted: #868e96;
    
    /* Bordes y sombras */
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-sm: 4px;
    --shadow-sm: 0 2px 4px 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);
    
    /* Espaciado */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 3rem;
    
    /* Tipografía */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
}

/* ================================================
   RESET Y BASE
   ================================================ */

* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

/* ================================================
   LAYOUT PRINCIPAL - PROTEGIDO CON !IMPORTANT
   ================================================ */

/* HEADER PRINCIPAL - ALTURA FIJA Y PROTEGIDA */
.app-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%) !important;
    color: white !important;
    height: 70px !important;
    min-height: 70px !important;
    max-height: 70px !important;
    padding: 0 var(--spacing-lg) !important;
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    box-shadow: var(--shadow-md) !important;
    position: sticky !important;
    top: 0 !important;
    z-index: 1000 !important;
    overflow: hidden !important;
    box-sizing: border-box !important;
}

.app-header h1 {
    margin: 0 !important;
    font-size: var(--font-size-xl) !important;
    font-weight: 600 !important;
    height: 100% !important;
    display: flex !important;
    align-items: center !important;
}

/* SIDEBAR PRINCIPAL - POSICIÓN Y ESTILOS PROTEGIDOS */
.app-sidebar {
    background: var(--bg-dark) !important;
    width: 280px !important;
    position: fixed !important;
    left: 0 !important;
    top: 0 !important;
    height: 100vh !important;
    padding-top: 70px !important;
    overflow-y: auto !important;
    z-index: 999 !important;
    transition: transform 0.3s ease !important;
}

/* NAVEGACIÓN DEL SIDEBAR - PROTEGIDA */
.nav-menu {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

.nav-link {
    display: flex !important;
    align-items: center !important;
    padding: var(--spacing-md) var(--spacing-lg) !important;
    color: rgba(255, 255, 255, 0.8) !important;
    text-decoration: none !important;
    transition: all 0.2s ease !important;
    border-left: 3px solid transparent !important;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1) !important;
    color: white !important;
    text-decoration: none !important;
}

.nav-link.active {
    background-color: rgba(255, 255, 255, 0.15) !important;
    color: white !important;
    border-left-color: var(--color-primary) !important;
}

.nav-link.disabled {
    opacity: 0.5 !important;
    cursor: not-allowed !important;
}

.nav-link i {
    width: 20px !important;
    margin-right: var(--spacing-md) !important;
    font-size: var(--font-size-base) !important;
}

/* CONTENIDO PRINCIPAL - PROTEGIDO */
.app-main {
    margin-left: 280px !important;
    flex: 1 !important;
    padding: 0 !important;
    min-height: calc(100vh - 70px) !important;
}

/* ELEMENTOS DEL HEADER - PROTEGIDOS */
.mobile-menu-toggle {
    display: none !important;
    background: none !important;
    border: none !important;
    color: white !important;
    font-size: var(--font-size-lg) !important;
    cursor: pointer !important;
    padding: var(--spacing-sm) !important;
    border-radius: var(--border-radius-sm) !important;
    transition: background-color 0.2s ease !important;
}

.mobile-menu-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1) !important;
}

/* LOGO CON ALTURA FIJA Y EFECTOS */
.header-logo {
    height: 36px !important;
    width: auto !important;
    margin-right: 15px !important;
    vertical-align: middle !important;
    flex-shrink: 0 !important;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3)) drop-shadow(0 1px 0 rgba(255, 255, 255, 0.2)) !important;
    transition: all 0.3s ease !important;
    border-radius: 4px !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    background: rgba(255, 255, 255, 0.05) !important;
    padding: 2px !important;
}

.header-logo:hover {
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.4)) drop-shadow(0 2px 0 rgba(255, 255, 255, 0.3)) !important;
    transform: translateY(-1px) scale(1.05) !important;
    background: rgba(255, 255, 255, 0.1) !important;
}

/* INDICADOR DE FECHA ACTUAL */
.fecha-actual-indicator {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.05) 100%) !important;
    color: white !important;
    padding: var(--spacing-xs) var(--spacing-sm) !important;
    border-radius: var(--border-radius-sm) !important;
    font-size: var(--font-size-xs) !important;
    font-weight: 600 !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1) !important;
    backdrop-filter: blur(10px) !important;
    display: flex !important;
    align-items: center !important;
    gap: var(--spacing-xs) !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3) !important;
    height: 32px !important;
    white-space: nowrap !important;
    flex-shrink: 0 !important;
}

.fecha-actual-indicator i {
    color: rgba(255, 255, 255, 0.8) !important;
    font-size: var(--font-size-xs) !important;
}

/* USER INFO - PROTEGIDO */
.user-info {
    display: flex !important;
    align-items: center !important;
    gap: var(--spacing-md) !important;
    flex-shrink: 0 !important;
    height: 100% !important;
}

.role-indicator {
    padding: var(--spacing-xs) var(--spacing-sm) !important;
    border-radius: var(--border-radius-sm) !important;
    font-size: var(--font-size-xs) !important;
    font-weight: 600 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.5px !important;
}

.role-indicator.administrador {
    background-color: var(--color-danger) !important;
    color: white !important;
}

.role-indicator.gestor {
    background-color: var(--color-warning) !important;
    color: var(--color-dark) !important;
}

.role-indicator.compras {
    background-color: var(--color-info) !important;
    color: white !important;
}

.role-indicator.ventas {
    background-color: var(--color-success) !important;
    color: white !important;
}

.role-indicator.usuario {
    background-color: var(--text-secondary) !important;
    color: white !important;
}

.user-name {
    font-weight: 500 !important;
    font-size: var(--font-size-base) !important;
    color: white !important;
}

/* BOTÓN SALIR MEJORADO */
.btn-logout {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%) !important;
    border: 2px solid rgba(255, 255, 255, 0.3) !important;
    color: white !important;
    font-weight: 600 !important;
    padding: var(--spacing-sm) var(--spacing-md) !important;
    border-radius: var(--border-radius) !important;
    transition: all 0.3s ease !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2) !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3) !important;
    position: relative !important;
    overflow: hidden !important;
    text-decoration: none !important;
}

.btn-logout::before {
    content: '' !important;
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 50%) !important;
    opacity: 0 !important;
    transition: opacity 0.3s ease !important;
}

.btn-logout:hover {
    background: linear-gradient(135deg, #c0392b 0%, #a93226 100%) !important;
    color: white !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3) !important;
    border-color: rgba(255, 255, 255, 0.5) !important;
    text-decoration: none !important;
}

.btn-logout:hover::before {
    opacity: 1 !important;
}

.btn-logout:active {
    transform: translateY(0) !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2) !important;
}

/* ================================================
   RESPONSIVE LAYOUT - PROTEGIDO
   ================================================ */

@media (max-width: 992px) {
    .app-header {
        height: 65px !important;
        min-height: 65px !important;
        max-height: 65px !important;
    }
    
    .app-sidebar {
        padding-top: 65px !important;
    }
    
    .header-logo {
        height: 32px !important;
    }
    
    .fecha-actual-indicator {
        font-size: 10px !important;
        height: 28px !important;
    }
}

@media (max-width: 768px) {
    .app-header {
        height: 60px !important;
        min-height: 60px !important;
        max-height: 60px !important;
        padding: 0 var(--spacing-md) !important;
    }
    
    .app-sidebar {
        padding-top: 60px !important;
        transform: translateX(-100%) !important;
    }
    
    .app-sidebar.show {
        transform: translateX(0) !important;
    }
    
    .app-main {
        margin-left: 0 !important;
    }
    
    .mobile-menu-toggle {
        display: block !important;
    }
    
    .header-logo {
        height: 28px !important;
        margin-right: 8px !important;
    }
    
    .user-info {
        flex-direction: column !important;
        gap: var(--spacing-xs) !important;
        align-items: flex-end !important;
    }
    
    .fecha-actual-indicator {
        font-size: 9px !important;
        height: 24px !important;
    }
}

@media (max-width: 576px) {
    .app-header {
        height: 55px !important;
        min-height: 55px !important;
        max-height: 55px !important;
        padding: 0 var(--spacing-sm) !important;
    }
    
    .app-sidebar {
        padding-top: 55px !important;
    }
    
    .header-logo {
        height: 24px !important;
        margin-right: 6px !important;
    }
    
    .role-indicator {
        font-size: 8px !important;
        padding: 2px var(--spacing-xs) !important;
    }
    
    .user-name {
        font-size: var(--font-size-xs) !important;
    }

    .btn-logout {
        padding: var(--spacing-xs) var(--spacing-sm) !important;
        font-size: var(--font-size-xs) !important;
    }

    .fecha-actual-indicator {
        flex-direction: column !important;
        text-align: center !important;
        padding: 2px !important;
        height: 20px !important;
        font-size: 8px !important;
    }
}

.content-wrapper {
    padding: var(--spacing-lg);
    max-width: 100%;
}

/* ================================================
   COMPONENTES COMUNES REUTILIZABLES
   ================================================ */

/* Headers de módulos */
.main-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-md);
}

.main-title {
    margin: 0;
    font-size: var(--font-size-xl);
    font-weight: 600;
    display: flex;
    align-items: center;
}

.main-title i {
    margin-right: var(--spacing-md);
}

.header-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* Cards comunes */
.card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--bg-tertiary);
    overflow: hidden;
}

.card-header {
    background-color: var(--bg-dark);
    color: white;
    padding: var(--spacing-md);
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

/* Paneles de filtros comunes */
.filter-panel, .busqueda-panel {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
    border: 1px solid var(--bg-tertiary);
}

.filter-header, .busqueda-header {
    background: linear-gradient(135deg, var(--color-info) 0%, #138496 100%);
    color: white;
    padding: var(--spacing-md);
    font-weight: 600;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.filter-title {
    margin: 0;
    font-size: var(--font-size-base);
    font-weight: 600;
    display: flex;
    align-items: center;
}

.filter-title i {
    margin-right: var(--spacing-sm);
}

.filter-row, .busqueda-body {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    align-items: end;
}

/* Métricas y estadísticas comunes */
.stats-container, .metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.stat-box, .metric-card {
    background: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    text-align: center;
    border: 1px solid var(--bg-tertiary);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    position: relative;
    overflow: hidden;
}

.stat-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

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

.stat-box i, .metric-icon i {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.stat-value, .metric-value {
    font-size: 1.8rem;
    font-weight: bold;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.stat-label, .metric-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

/* Tablas comunes */
.table-responsive {
    margin-bottom: var(--spacing-lg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table {
    margin: 0;
    background: var(--bg-primary);
}

.table thead th {
    background: var(--color-primary);
    color: white;
    border: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: var(--font-size-sm);
    padding: var(--spacing-md);
    text-align: center;
}

.table tbody tr {
    border-bottom: 1px solid var(--bg-tertiary);
    transition: background-color 0.2s ease;
}

.table tbody tr:hover {
    background-color: var(--bg-secondary);
}

.table td {
    padding: var(--spacing-md);
    vertical-align: middle;
    border-top: none;
}

/* Botones base comunes */
.btn {
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    text-decoration: none;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

/* Variantes de botones */
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
}

.btn-success {
    background-color: var(--color-success2);
    color: white;
}

.btn-danger {
    background-color: var(--color-danger);
    color: white;
}

.btn-warning {
    background-color: var(--color-warning);
    color: var(--color-dark);
}

.btn-info {
    background-color: var(--color-info);
    color: white;
}

.btn-secondary {
    background-color: var(--text-secondary);
    color: white;
}

.btn-outline-primary {
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.btn-outline-secondary {
    border: 2px solid var(--text-secondary);
    color: var(--text-secondary);
    background: transparent;
}

.btn-outline-secondary:hover {
    background: var(--text-secondary);
    color: white;
}

/* Estados vacíos comunes */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    border: 2px dashed var(--bg-tertiary);
}

.empty-state i {
    font-size: 3rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.empty-state h5 {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
}

/* Alertas comunes */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    border: 1px solid transparent;
}

.alert-info {
    background-color: #d1ecf1;
    border-color: #bee5eb;
    color: #0c5460;
}

.alert-success {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.alert-warning {
    background-color: #fff3cd;
    border-color: #ffeaa7;
    color: #856404;
}

.alert-danger {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

/* Badges comunes */
.badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary { background-color: var(--color-primary); color: white; }
.badge-success { background-color: var(--color-success); color: white; }
.badge-danger { background-color: var(--color-danger); color: white; }
.badge-warning { background-color: var(--color-warning); color: var(--color-dark); }
.badge-info { background-color: var(--color-info); color: white; }
.badge-secondary { background-color: var(--text-secondary); color: white; }
.badge-light { background-color: var(--bg-tertiary); color: var(--text-primary); }

/* Forms comunes */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-control {
    border: 2px solid var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    width: 100%;
}

.form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
    outline: none;
}

.form-control-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
}

label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    display: block;
}

/* Input groups comunes */
.input-group {
    display: flex;
    width: 100%;
}

.input-group .form-control {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    border-right: none;
}

.input-group-append {
    display: flex;
}

.input-group-append .btn {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    border: 2px solid var(--bg-tertiary);
    border-left: none;
    transition: all 0.2s ease;
}

.input-group-text {
    background-color: var(--bg-secondary);
    border: 2px solid var(--bg-tertiary);
    border-right: none;
    color: var(--text-secondary);
}

/* Elementos específicos comunes */
code {
    background-color: var(--bg-secondary);
    color: var(--color-primary);
    padding: 2px var(--spacing-xs);
    border-radius: var(--border-radius-sm);
    font-family: 'Courier New', monospace;
    font-size: var(--font-size-sm);
    border: 1px solid var(--bg-tertiary);
    font-weight: 600;
}

/* Paginación común */
.pagination-wrapper {
    background: var(--bg-primary);
    padding: var(--spacing-md);
    border-top: 1px solid var(--bg-tertiary);
    border-radius: 0 0 var(--border-radius) var(--border-radius);
}

.pagination .page-link {
    color: var(--color-primary);
    border-color: var(--bg-tertiary);
    padding: var(--spacing-xs) var(--spacing-sm);
}

.pagination .page-link:hover {
    background-color: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.pagination .page-item.active .page-link {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

/* Botones de acción comunes */
.action-buttons {
    display: flex;
    gap: var(--spacing-xs);
    justify-content: center;
    flex-wrap: wrap;
}

.action-buttons .btn {
    padding: var(--spacing-xs);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-sm);
    transition: all 0.2s ease;
}

.action-buttons .btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* Loading y notificaciones comunes */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-top: 5px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.toast-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: white;
    border-left: 4px solid var(--color-success);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-md);
    z-index: 9999;
    min-width: 300px;
    animation: slideInRight 0.3s ease-out;
}

.toast-notification.error {
    border-left-color: var(--color-danger);
}

.toast-notification.warning {
    border-left-color: var(--color-warning);
}

.toast-notification.info {
    border-left-color: var(--color-info);
}

/* ================================================
   UTILIDADES COMUNES
   ================================================ */

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.d-flex { display: flex; }
.align-items-center { align-items: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-center { justify-content: center; }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.mr-1 { margin-right: var(--spacing-xs); }
.mr-2 { margin-right: var(--spacing-sm); }
.mr-3 { margin-right: var(--spacing-md); }

.ml-1 { margin-left: var(--spacing-xs); }
.ml-2 { margin-left: var(--spacing-sm); }
.ml-3 { margin-left: var(--spacing-md); }

.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }

.font-weight-bold { font-weight: 700; }
.font-weight-semibold { font-weight: 600; }
.font-weight-normal { font-weight: 400; }

.text-muted { color: var(--text-muted); }
.text-primary { color: var(--color-primary); }
.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }
.text-warning { color: var(--color-warning); }
.text-info { color: var(--color-info); }

/* Estados de fila */
.table-success-light { background-color: rgba(40, 167, 69, 0.05) !important; }
.table-warning-light { background-color: rgba(255, 193, 7, 0.05) !important; }
.table-secondary { background-color: var(--bg-secondary) !important; }

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

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes pulse-date {
    0%, 100% { 
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        transform: scale(1);
    }
    50% { 
        box-shadow: 0 3px 6px rgba(0, 0, 0, 0.15);
        transform: scale(1.02);
    }
}

.spinner-border {
    width: 2rem;
    height: 2rem;
    border: 0.25em solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 0.75s linear infinite;
}