/**
 * Estilos principales - App Kobros
 * Paleta Profesional Moderna:
 * - Primario: Índigo #4F46E5
 * - Secundario: Cyan #06B6D4
 * - Acento: Verde #10B981
 * - Fondo: Gris claro #F8FAFC
 * Mobile-first responsive design
 */

/* ========== RESET Y VARIABLES ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Paleta Profesional Moderna */
    --primario: #4F46E5;
    --primario-hover: #4338CA;
    --primario-light: #6366F1;
    --secundario: #06B6D4;
    --secundario-hover: #0891B2;
    --secundario-light: #22D3EE;
    --acento: #10B981;
    --acento-hover: #059669;
    --acento-light: #34D399;
    
    /* Colores base */
    --blanco: #FFFFFF;
    --negro: #1A1A1A;
    --gris-claro: #F8FAFC;
    --gris-medio: #E2E8F0;
    --gris-oscuro: #64748B;
    --gris-texto: #334155;
    
    /* Colores de estado */
    --verde: #10B981;
    --rojo: #EF4444;
    --amarillo: #F59E0B;
    --azul-info: #06B6D4;
    
    /* Sombras modernas */
    --sombra-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --sombra: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --sombra-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --sombra-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --sombra-hover: 0 20px 25px -5px rgba(79, 70, 229, 0.15), 0 10px 10px -5px rgba(79, 70, 229, 0.1);
    
    /* Bordes y espaciado */
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========== ESTILOS GENERALES ========== */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--gris-texto);
    background: linear-gradient(135deg, var(--primario) 0%, var(--secundario) 100%);
    min-height: 100vh;
}

/* ========== PÁGINA DE LOGIN ========== */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 1200px;
    width: 100%;
}

.login-box {
    background: var(--blanco);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    box-shadow: var(--sombra-hover);
    animation: fadeInUp 0.6s ease;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header .logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primario), var(--secundario));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blanco);
    font-size: 36px;
    box-shadow: var(--sombra-md);
}

.login-header h1 {
    font-size: 28px;
    color: var(--primario);
    margin-bottom: 10px;
    font-weight: 700;
}

.login-header p {
    color: var(--gris-oscuro);
    font-size: 14px;
}

.login-form {
    margin: 30px 0;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--negro);
    font-weight: 500;
    font-size: 14px;
}

.form-group label i {
    margin-right: 8px;
    color: var(--primario);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--gris-medio);
    border-radius: 8px;
    font-size: 16px;
    transition: var(--transition);
    background: var(--blanco);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primario);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.btn {
    padding: 14px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primario), var(--primario-light));
    color: var(--blanco);
    box-shadow: var(--sombra);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--sombra-hover);
}

.btn-block {
    width: 100%;
}

.alert {
    padding: 14px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-error {
    background: #FFF5F5;
    color: var(--rojo);
    border-left: 4px solid var(--rojo);
}

.alert-success {
    background: #F0FFF4;
    color: var(--verde);
    border-left: 4px solid var(--verde);
}

.login-footer {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--gris-claro);
    color: var(--gris-oscuro);
    font-size: 13px;
}

.version {
    margin-top: 5px;
    font-size: 12px;
    color: var(--gris-medio);
}

.login-info {
    background: var(--blanco);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    box-shadow: var(--sombra-hover);
    animation: fadeInUp 0.6s ease 0.2s backwards;
    display: none;
}

.login-info h2 {
    color: var(--primario);
    margin-bottom: 15px;
    font-size: 24px;
    font-weight: 700;
}

.login-info p {
    color: var(--gris-oscuro);
    margin-bottom: 25px;
    line-height: 1.8;
}

.features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--gris-claro);
    border-radius: 8px;
}

.feature i {
    font-size: 24px;
    color: var(--primario);
}

/* ========== DASHBOARD ========== */
.dashboard-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background: var(--gris-claro);
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primario), var(--secundario));
    color: var(--blanco);
    padding: 15px 20px;
    box-shadow: var(--sombra-md);
    position: sticky;
    top: 0;
    z-index: 201;  /* Por encima del sidebar (200) y overlay (199) */
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.menu-toggle {
    background: none;
    border: none;
    color: var(--blanco);
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-title h1 {
    font-size: 20px;
    font-weight: 600;
}

.header-title p {
    font-size: 12px;
    opacity: 0.9;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.empresa-selector {
    position: relative;
}

.empresa-selector::before {
    content: '🏢';
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
    pointer-events: none;
    z-index: 1;
}

.empresa-selector select {
    padding: 10px 16px 10px 38px;
    border: none;
    border-radius: 8px;
    background: var(--blanco);
    color: var(--primario);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    min-width: 200px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    -moz-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='%234F46E5' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.empresa-selector select:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transform: translateY(-1px);
}

.empresa-selector select:focus {
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.empresa-selector select option {
    background: var(--blanco);
    color: var(--gris-texto);
    padding: 10px;
}

.empresa-selector select option:checked {
    background: var(--primario);
    color: var(--blanco);
}

.user-menu {
    position: relative;
}

.user-button {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid var(--blanco);
    color: var(--blanco);
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    left: -280px;
    width: 280px;
    height: 100vh;
    background: var(--blanco);
    box-shadow: var(--sombra-hover);
    transition: var(--transition);
    z-index: 200;
    overflow-y: auto;
}

.sidebar.active {
    left: 0;
}

.sidebar-header {
    background: var(--blanco);
    color: var(--primario);
    padding: 24px 20px;
    text-align: center;
    border-bottom: 3px solid var(--primario);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    position: relative;
}

.sidebar-logo {
    max-width: 120px;
    height: auto;
    margin: 0 auto 12px;
    display: block;
    filter: drop-shadow(0 2px 4px rgba(79, 70, 229, 0.15));
    transition: transform 0.3s ease;
}

.sidebar-logo:hover {
    transform: scale(1.05);
}

.sidebar-header h2 {
    font-size: 22px;
    margin-bottom: 8px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primario), var(--secundario));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.sidebar-header p {
    font-size: 13px;
    color: var(--gris-oscuro);
    font-weight: 500;
    letter-spacing: 0.3px;
}

.sidebar-nav {
    padding: 20px 0;
}

.nav-item {
    display: block;
    padding: 14px 20px;
    color: var(--negro);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
}

.nav-item i {
    font-size: 18px;
    width: 24px;
    color: var(--primario);
}

.nav-item:hover {
    background: linear-gradient(90deg, rgba(79, 70, 229, 0.08), rgba(6, 182, 212, 0.08));
    border-left: 4px solid var(--primario);
    color: var(--primario);
    font-weight: 600;
}

.nav-item.active {
    background: linear-gradient(90deg, rgba(79, 70, 229, 0.15), rgba(6, 182, 212, 0.15));
    border-left: 4px solid var(--primario);
    color: var(--primario);
    font-weight: 700;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 199;
}

.sidebar-overlay.active {
    display: block;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 20px;
    padding-top: 30px;  /* Espacio superior para que no quede pegado al header */
}

.page-header {
    margin-bottom: 25px;
    margin-top: 10px;  /* Espacio adicional arriba del encabezado */
}

.page-header h2 {
    font-size: 24px;
    color: var(--primario);  /* Azul índigo para mejor visibilidad */
    margin-bottom: 5px;
    font-weight: 700;
}

.page-header p {
    color: var(--gris-texto);  /* Gris más oscuro para mejor contraste */
    font-size: 14px;
    font-weight: 500;
}

/* Cards de métricas */
.metrics-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.metric-card {
    background: linear-gradient(135deg, var(--card-primary) 0%, var(--card-secondary) 100%);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--sombra-md);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    color: var(--blanco);
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0);
    transition: var(--transition);
}

.metric-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--sombra-lg);
}

.metric-card:hover::before {
    background: rgba(255, 255, 255, 0.1);
}

.metric-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.metric-card-header h3 {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.metric-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--blanco);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Los iconos ahora usan el fondo semi-transparente definido arriba */

.metric-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--blanco);
    margin-bottom: 8px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 1;
}

.metric-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    position: relative;
    z-index: 1;
}

/* Colores específicos por tipo de métrica */
.metric-card.ventas {
    --card-primary: #10B981;
    --card-secondary: #34D399;
}

.metric-card.notas {
    --card-primary: #4F46E5;
    --card-secondary: #6366F1;
}

.metric-card.stock-bajo {
    --card-primary: #F59E0B;
    --card-secondary: #FBBF24;
}

.metric-card.sin-stock {
    --card-primary: #EF4444;
    --card-secondary: #F87171;
}

.metric-card.facturas {
    --card-primary: #06B6D4;
    --card-secondary: #22D3EE;
}

.metric-card.clientes {
    --card-primary: #8B5CF6;
    --card-secondary: #A78BFA;
}

.metric-card.productos {
    --card-primary: #EC4899;
    --card-secondary: #F472B6;
}

.metric-card.default {
    --card-primary: #4F46E5;
    --card-secondary: #06B6D4;
}

/* Tablas */
.table-container {
    background: var(--blanco);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--sombra);
    overflow-x: auto;
}

.table-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.table-header h3 {
    font-size: 18px;
    color: var(--negro);
}

.table-filters {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-input {
    padding: 8px 12px;
    border: 2px solid var(--gris-medio);
    border-radius: 8px;
    font-size: 14px;
    min-width: 120px;
}

.btn-filter {
    background: var(--primario);
    color: var(--blanco);
    padding: 8px 16px;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-size: 14px;
    transition: var(--transition);
    box-shadow: var(--sombra-sm);
}

.btn-filter:hover {
    background: var(--primario-hover);
    box-shadow: var(--sombra);
    transform: translateY(-1px);
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}

thead {
    background: var(--gris-claro);
}

thead th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
    color: var(--negro);
    font-size: 14px;
}

tbody td {
    padding: 12px;
    border-bottom: 1px solid var(--gris-claro);
    font-size: 14px;
}

tbody tr:hover {
    background: rgba(79, 70, 229, 0.05);
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success {
    background: #D4EDDA;
    color: #155724;
}

.badge-warning {
    background: #FFF3CD;
    color: #856404;
}

.badge-danger {
    background: #F8D7DA;
    color: #721C24;
}

.badge-info {
    background: #FFF3CD;
    color: #856404;
}

/* Loading */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--gris-oscuro);
}

.loading i {
    font-size: 48px;
    color: var(--primario);
    animation: spin 1s linear infinite;
}

/* Animaciones */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ========== RESPONSIVE TABLET ========== */
@media (min-width: 768px) {
    .login-container {
        grid-template-columns: 1fr 1fr;
    }
    
    .login-info {
        display: block;
    }
    
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .sidebar {
        left: 0;
        position: relative;
        height: auto;
    }
    
    .dashboard-container {
        flex-direction: row;
    }
    
    .sidebar {
        width: 260px;
        position: sticky;
        top: 0;
        height: 100vh;
    }
    
    .menu-toggle {
        display: none;
    }
    
    .sidebar-overlay {
        display: none !important;
    }
}

/* ========== RESPONSIVE DESKTOP ========== */
/* ========== RESPONSIVE TABLET ========== */
@media (min-width: 769px) and (max-width: 1023px) {
    .page-header h1,
    .page-header h2 {
        font-size: 22px;
    }
    
    .page-header p {
        font-size: 13px;
    }
}

/* ========== RESPONSIVE DESKTOP ========== */
@media (min-width: 1024px) {
    .metrics-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .header-title h1 {
        font-size: 24px;
    }
    
    .page-header h1,
    .page-header h2 {
        font-size: 28px;
    }
    
    .page-header p {
        font-size: 15px;
    }
}

/* ========== UTILIDADES ========== */
.text-center {
    text-align: center;
}

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}

.hidden {
    display: none !important;
}

/* ========== GRÁFICOS ========== */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.chart-wrapper {
    padding: 20px;
    background: white;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chart-wrapper canvas {
    max-height: 300px;
}

@media (max-width: 768px) {
    .charts-grid {
        grid-template-columns: 1fr;
    }
    
    .chart-wrapper {
        min-height: 250px;
    }
    
    .chart-wrapper canvas {
        max-height: 250px;
    }
}

/* ========== BOTONES DE ACCIÓN ========== */
.btn-action {
    padding: 8px 12px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    min-height: 36px;
}

.btn-action:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn-action i {
    font-size: 16px;
}

.btn-view {
    background: linear-gradient(135deg, var(--primario), var(--secundario));
    color: white;
}

.btn-view:hover {
    background: linear-gradient(135deg, var(--primario-hover), var(--secundario-hover));
}

.btn-edit {
    background: linear-gradient(135deg, #FFC107, #FF9800);
    color: white;
}

.btn-edit:hover {
    background: linear-gradient(135deg, #FFB300, #F57C00);
}

.btn-delete {
    background: linear-gradient(135deg, #DC3545, #C82333);
    color: white;
}

.btn-delete:hover {
    background: linear-gradient(135deg, #C82333, #A71D2A);
}

@media (max-width: 768px) {
    .btn-action {
        padding: 6px 10px;
        min-width: 32px;
        min-height: 32px;
    }
    
    .btn-action i {
        font-size: 14px;
    }
}

/* ========== MODAL STYLES ========== */
.modal {
    display: none !important;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    padding: 20px;
}

.modal.show {
    display: flex !important;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--blanco);
    margin: auto;
    padding: 0;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    width: 90%;
    max-width: 900px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalFadeIn 0.3s ease;
    position: relative;
}

.modal-header {
    background: linear-gradient(135deg, var(--primario), var(--secundario));
    color: var(--blanco);
    padding: 20px 30px;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 10;
}

.modal-header h2 {
    margin: 0;
    font-size: 24px;
}

.modal-close {
    background: none;
    border: none;
    color: var(--blanco);
    font-size: 32px;
    font-weight: bold;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    line-height: 1;
    transition: var(--transition);
}

.modal-close:hover,
.modal-close:focus {
    transform: rotate(90deg);
    opacity: 0.8;
}

.modal-body {
    padding: 0;
    overflow-y: auto;
    max-height: calc(90vh - 80px);
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Mobile adjustments for modal */
@media (max-width: 768px) {
    .modal {
        padding: 10px;
    }
    
    .modal-content {
        width: 95%;
        max-width: 100%;
        max-height: 95vh;
    }
    
    .modal-header {
        padding: 15px 20px;
    }
    
    .modal-header h2 {
        font-size: 18px;
    }
    
    .modal-close {
        font-size: 28px;
        width: 28px;
        height: 28px;
    }
    
    .modal-body {
        max-height: calc(95vh - 60px);
    }
}

/* ========== TARJETAS DE FORMAS DE PAGO ========== */
.payment-cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
    padding: 20px;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--sombra);
}

.payment-card {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: var(--border-radius);
    padding: 20px;
    color: white;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.payment-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0);
    transition: var(--transition);
}

.payment-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

.payment-card:hover::before {
    background: rgba(255, 255, 255, 0.1);
}

.payment-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.payment-card-icon {
    font-size: 32px;
    opacity: 0.9;
}

.payment-card-name {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.payment-card-body {
    margin-top: 15px;
}

.payment-card-amount {
    font-size: 28px;
    font-weight: bold;
    margin: 10px 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.payment-card-details {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    opacity: 0.95;
    margin-top: 10px;
}

.payment-card-count {
    background: rgba(255, 255, 255, 0.2);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 13px;
}

/* Colores específicos por forma de pago */
.payment-card.efectivo-bs {
    --color-primary: #28a745;
    --color-secondary: #20c997;
}

.payment-card.efectivo-usd {
    --color-primary: #198754;
    --color-secondary: #146c43;
}

.payment-card.tarjeta {
    --color-primary: #0d6efd;
    --color-secondary: #0dcaf0;
}

.payment-card.pago-movil {
    --color-primary: #fd7e14;
    --color-secondary: #ffc107;
}

.payment-card.zelle {
    --color-primary: #6f42c1;
    --color-secondary: #d63384;
}

.payment-card.biopago {
    --color-primary: #6610f2;
    --color-secondary: #9933ff;
}

.payment-card.transferencia {
    --color-primary: #6c757d;
    --color-secondary: #adb5bd;
}

/* Responsive para tarjetas */
@media (max-width: 768px) {
    .payment-cards-container {
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 15px;
    }
    
    .payment-card {
        padding: 15px;
    }
    
    .payment-card-amount {
        font-size: 24px;
    }
    
    .payment-card-icon {
        font-size: 28px;
    }
}

/* ========== TOTALIZACIÓN DE FACTURAS ========== */
.totalizacion-container {
    margin: 20px 0;
    animation: fadeInUp 0.3s ease;
}

.totalizacion-card {
    background: var(--blanco);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--sombra-md);
    border-left: 4px solid var(--primario);
    position: relative;
    overflow: hidden;
}

/* Gradiente de fondo sutil para cada tipo */
.totalizacion-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    opacity: 0.03;
    z-index: 0;
    pointer-events: none;
}

/* Colores específicos para Facturas - Estilo vibrante */
.totalizacion-facturas {
    border-left: none;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.totalizacion-facturas::before {
    background: rgba(255, 255, 255, 0.1);
    opacity: 1;
}

.totalizacion-facturas .totalizacion-header {
    border-bottom-color: rgba(255, 255, 255, 0.2);
}

.totalizacion-facturas .totalizacion-header h3 {
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.totalizacion-facturas .totalizacion-header h3 i {
    color: rgba(255, 255, 255, 0.9);
}

.totalizacion-facturas .total-value {
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.totalizacion-facturas .total-label {
    color: rgba(255, 255, 255, 0.9);
}

/* Colores específicos para Notas - Estilo vibrante */
.totalizacion-notas {
    border-left: none;
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    color: white;
    box-shadow: 0 10px 30px rgba(17, 153, 142, 0.3);
}

.totalizacion-notas::before {
    background: rgba(255, 255, 255, 0.1);
    opacity: 1;
}

.totalizacion-notas .totalizacion-header {
    border-bottom-color: rgba(255, 255, 255, 0.2);
}

.totalizacion-notas .totalizacion-header h3 {
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.totalizacion-notas .totalizacion-header h3 i {
    color: rgba(255, 255, 255, 0.9);
}

.totalizacion-notas .total-value {
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.totalizacion-notas .total-label {
    color: rgba(255, 255, 255, 0.9);
}

.totalizacion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--gris-claro);
}

.totalizacion-header h3 {
    color: var(--primario);
    font-size: 20px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-enviar-facturas {
    background: linear-gradient(135deg, var(--primario), var(--secundario));
    color: var(--blanco);
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--sombra-sm);
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-enviar-facturas:hover {
    transform: translateY(-2px);
    box-shadow: var(--sombra);
}

.totalizacion-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.total-item {
    background: var(--gris-claro);
    padding: 20px;
    border-radius: var(--border-radius-sm);
    text-align: center;
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.total-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--sombra-sm);
}

/* Items dentro de tarjeta de Facturas */
.totalizacion-facturas .total-item {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.totalizacion-facturas .total-item:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Items dentro de tarjeta de Notas */
.totalizacion-notas .total-item {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.totalizacion-notas .total-item:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.total-label {
    font-size: 13px;
    color: var(--gris-oscuro);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    font-weight: 600;
}

.total-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--primario);
    line-height: 1.3;
}

.total-value small {
    font-size: 16px;
    color: var(--gris-oscuro);
    font-weight: 500;
    display: block;
    margin-top: 5px;
}

.totalizacion-estados {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    padding-top: 15px;
    border-top: 2px solid var(--gris-claro);
}

.estado-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
    position: relative;
}

.estado-badge:hover {
    transform: translateY(-2px);
    box-shadow: var(--sombra-md);
    filter: brightness(1.1);
}

.estado-badge.activo {
    transform: scale(1.05);
    box-shadow: var(--sombra-lg);
    border: 3px solid var(--blanco);
}

.estado-badge.activo::after {
    content: '✓';
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--blanco);
    color: var(--primario);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    box-shadow: var(--sombra);
}

.estado-badge span {
    font-size: 18px;
    font-weight: 700;
}

.estado-badge.sin-cancelar {
    background: linear-gradient(135deg, #EF4444, #F87171);
    color: var(--blanco);
}

.estado-badge.parcialmente {
    background: linear-gradient(135deg, #F59E0B, #FBBF24);
    color: var(--blanco);
}

.estado-badge.cancelada {
    background: linear-gradient(135deg, #10B981, #34D399);
    color: var(--blanco);
}

/* Franjas de estado en tabla */
.franja-estado {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 5px;
    border-radius: 4px 0 0 4px;
}

.franja-sin-cancelar {
    background: linear-gradient(180deg, #EF4444, #F87171);
}

.franja-parcialmente {
    background: linear-gradient(180deg, #F59E0B, #FBBF24);
}

.franja-cancelada {
    background: linear-gradient(180deg, #10B981, #34D399);
}

/* Búsqueda de clientes */
.clientes-dropdown {
    position: absolute;
    background: var(--blanco);
    border: 1px solid var(--gris-claro);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--sombra-lg);
    max-height: 300px;
    overflow-y: auto;
    z-index: 1000;
    width: 100%;
    margin-top: 5px;
}

.cliente-item {
    padding: 12px 16px;
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 1px solid var(--gris-claro);
    display: flex;
    align-items: center;
    gap: 10px;
}

.cliente-item:hover {
    background: var(--gris-claro);
}

.cliente-item i {
    color: var(--primario);
}

.cliente-item:last-child {
    border-bottom: none;
}

/* Acciones de totalización */
.totalizacion-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.btn-seleccionar-todas {
    background: linear-gradient(135deg, var(--acento), var(--acento-light));
    color: var(--blanco);
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--sombra-sm);
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-seleccionar-todas:hover {
    transform: translateY(-2px);
    box-shadow: var(--sombra);
}

/* Checkbox en tabla */
.factura-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primario);
}

/* Responsive totalización */
@media (max-width: 768px) {
    .totalizacion-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    .totalizacion-actions {
        width: 100%;
        flex-direction: column;
    }
    
    .btn-enviar-facturas,
    .btn-seleccionar-todas {
        width: 100%;
        justify-content: center;
    }
    
    .totalizacion-grid {
        grid-template-columns: 1fr;
    }
    
    .totalizacion-estados {
        flex-direction: column;
        gap: 10px;
    }
    
    .estado-badge {
        justify-content: center;
    }
    
    .clientes-dropdown {
        max-height: 200px;
    }
}

/* ========== ESTILOS PARA DETALLE DE NOTA/FACTURA ========== */
.detalle-container {
    padding: 20px;
}

.detalle-header {
    background: linear-gradient(135deg, var(--primario) 0%, var(--secundario) 100%);
    color: white;
    padding: 20px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
}

.detalle-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 10px;
}

.detalle-col {
    padding: 5px 0;
}

.detalle-col-full {
    grid-column: 1 / -1;
    padding: 5px 0;
}

.detalle-section {
    background: var(--gris-claro);
    padding: 20px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
}

.detalle-section h3 {
    color: var(--primario);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}

.detalle-section h3 i {
    font-size: 20px;
}

.detalle-totales {
    background: var(--gris-claro);
    padding: 20px;
    border-radius: var(--border-radius);
    text-align: right;
}

.total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 18px;
    padding: 10px 0;
    border-top: 2px solid var(--primario);
}

.table-responsive {
    overflow-x: auto;
}

.table-row-hover {
    transition: var(--transition);
}

.table-row-hover:hover {
    background-color: rgba(79, 70, 229, 0.1);
    cursor: pointer;
}

/* Responsive para detalle */
@media (max-width: 768px) {
    .detalle-container {
        padding: 10px;
    }
    
    .detalle-header,
    .detalle-section,
    .detalle-totales {
        padding: 15px;
    }
    
    .detalle-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .total-row {
        font-size: 16px;
    }
}

/* ========== TARJETAS CLICKABLES ========== */
.metric-card.clickable {
    transition: var(--transition);
    position: relative;
}

.metric-card.clickable::after {
    content: '👆';
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 12px;
    opacity: 0;
    transition: var(--transition);
}

.metric-card.clickable:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.3);
    border: 2px solid var(--primario);
}

.metric-card.clickable:hover::after {
    opacity: 0.7;
}

.metric-card.clickable:active {
    transform: translateY(-2px);
}

/* ========== LOADING SPINNER ========== */
.loading-spinner {
    text-align: center;
    padding: 40px;
    color: var(--primario);
    font-size: 18px;
}

.loading-spinner i {
    font-size: 36px;
    margin-bottom: 10px;
    display: block;
    animation: spin 1s linear infinite;
}

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

/* ========== BADGES ========== */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-danger {
    background: rgba(220, 53, 69, 0.1);
    color: var(--rojo);
    border: 1px solid var(--rojo);
}

.badge-warning {
    background: rgba(255, 193, 7, 0.1);
    color: #d39e00;
    border: 1px solid var(--amarillo);
}

.badge-success {
    background: rgba(40, 167, 69, 0.1);
    color: var(--verde);
    border: 1px solid var(--verde);
}

.badge-info {
    background: #FFF3CD;
    color: #856404;
    border: 1px solid #FFC107;
}

.badge-secondary {
    background: rgba(108, 117, 125, 0.1);
    color: #6c757d;
    border: 1px solid #6c757d;
}

/* ========== MODAL FOOTER ========== */
.modal-footer {
    padding: 20px 30px;
    border-top: 1px solid var(--gris-medio);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    background: var(--gris-claro);
    border-radius: 0 0 var(--border-radius) var(--border-radius);
}

/* ========== TABLE STICKY HEADER ========== */
.table-container table thead {
    position: sticky;
    top: 0;
    background: white;
    z-index: 10;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* ========== HEADER ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: white;
    border-bottom: 1px solid var(--gris-medio);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    z-index: 1000;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.btn-menu {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--gris-oscuro);
    cursor: pointer;
    padding: 5px;
    display: none;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: bold;
    color: var(--primario);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Selector de empresa ya definido arriba en línea 333 */

.user-menu {
    position: relative;
}

.user-button {
    display: flex;
    align-items: center;
    gap: 8px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px 15px;
    border-radius: var(--border-radius);
    transition: background 0.3s;
}

.user-button:hover {
    background: var(--gris-claro);
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 10px;
    background: white;
    border: 1px solid var(--gris-medio);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    min-width: 200px;
    display: none;
}

.user-dropdown.show {
    display: block;
}

.user-dropdown a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    color: var(--gris-oscuro);
    text-decoration: none;
    transition: background 0.3s;
}

.user-dropdown a:hover {
    background: var(--gris-claro);
}

.dropdown-divider {
    height: 1px;
    background: var(--gris-medio);
    margin: 5px 0;
}

/* ========== SIDEBAR ========== */
.sidebar {
    position: fixed;
    top: 60px;
    left: 0;
    width: 250px;
    height: calc(100vh - 60px);
    background: white;
    border-right: 1px solid var(--gris-medio);
    overflow-y: auto;
    z-index: 999;
}

.sidebar-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-nav li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 20px;
    color: var(--gris-oscuro);
    text-decoration: none;
    transition: all 0.3s;
}

.sidebar-nav li a:hover {
    background: var(--gris-claro);
    color: var(--primario);
}

.sidebar-nav li a.active {
    background: rgba(79, 70, 229, 0.1);
    color: var(--primario);
    border-left: 3px solid var(--primario);
}

.sidebar-divider {
    height: 1px;
    background: var(--gris-medio);
    margin: 10px 0;
}

.sidebar-header {
    padding: 10px 20px;
    font-size: 12px;
    font-weight: bold;
    color: var(--gris-oscuro);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Overlay duplicado eliminado - ya está definido en línea 489 */

/* ========== MAIN CONTENT ========== */
.container-fluid {
    display: flex;
    margin-top: 60px;
}

.main-content {
    flex: 1;
    margin-left: 250px;
    padding: 30px;
    padding-top: 40px;  /* Espacio superior para que el encabezado no quede pegado al header */
    min-height: calc(100vh - 60px);
    background: #f8f9fa;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .btn-menu {
        display: block;
    }
    
    /* Asegurar que el header esté por encima de todo */
    .header {
        z-index: 201 !important;
        position: fixed;
        width: 100%;
        top: 0;
        left: 0;
    }
    
    /* Ajustar contenido para header fijo */
    .main-wrapper {
        padding-top: 70px;
    }
    
    /* Asegurar que el botón hamburguesa sea MUY visible en móviles */
    .menu-toggle {
        display: flex !important;
        background: rgba(255, 255, 255, 0.9) !important;  /* Fondo blanco casi sólido */
        border: 2px solid rgba(79, 70, 229, 0.3) !important;  /* Borde azul */
        border-radius: 10px !important;
        padding: 12px !important;
        transition: all 0.3s ease;
        min-width: 48px !important;
        min-height: 48px !important;
        z-index: 202 !important;
        position: relative;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;  /* Sombra para destacar */
    }
    
    .menu-toggle:hover,
    .menu-toggle:active {
        background: rgba(255, 255, 255, 1) !important;  /* Fondo blanco sólido */
        transform: scale(1.08);
        box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2) !important;
    }
    
    .menu-toggle i {
        font-size: 26px !important;
        color: #4F46E5 !important;  /* Ícono azul índigo (primario) */
        font-weight: 900 !important;
    }
    
    .sidebar {
        left: -280px;
        transform: none;
        transition: left 0.3s ease;
        z-index: 200;
    }
    
    .sidebar.active {
        left: 0;
        transform: none;
    }
    
    .main-content {
        margin-left: 0;
        padding: 15px;
    }
    
    /* Ajustar tamaños de texto en móviles */
    .page-header h1,
    .page-header h2 {
        font-size: 20px !important;
        line-height: 1.3;
    }
    
    .page-header p {
        font-size: 13px !important;
    }
    
    /* Mejorar visibilidad de nav-items en móviles */
    .nav-item {
        padding: 16px 20px;
        font-size: 16px;
    }
    
    .nav-item.active {
        background: linear-gradient(90deg, rgba(79, 70, 229, 0.2), rgba(6, 182, 212, 0.2));
        border-left: 5px solid var(--primario);
    }
}

/* ========== ADMIN USUARIOS ========== */
.btn-toggle-password {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--gris-oscuro);
    cursor: pointer;
    padding: 5px;
}

.btn-toggle-password:hover {
    color: var(--primario);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: var(--gris-oscuro);
}

.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--gris-medio);
    border-radius: var(--border-radius);
    font-size: 14px;
}

.form-control:focus {
    outline: none;
    border-color: var(--primario);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-text {
    display: block;
    margin-top: 5px;
    font-size: 12px;
}

.text-muted {
    color: var(--gris-oscuro);
}

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

.text-danger {
    color: var(--rojo);
}

.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}

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

.btn-info:hover {
    background: var(--secundario-hover);
}

.btn-warning {
    background: var(--amarillo);
    color: #333;
}

.btn-warning:hover {
    background: #d39e00;
}

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

.btn-danger:hover {
    background: #c82333;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.page-header h1 {
    margin: 0;
    color: var(--primario);  /* Azul índigo para mejor visibilidad */
    font-weight: 700;
}

.mb-3 {
    margin-bottom: 20px;
}

.row {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.col-md-3, .col-md-4 {
    flex: 1;
    min-width: 200px;
}