:root {
    --primary-color: #47368C;
    --primary-dark: #352a6b;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --light-bg: #f8fafc;
    --dark-bg: #1e293b;
    --border-color: #e2e8f0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: var(--light-bg);
    font-family: 'Comfortaa', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #334155;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Títulos con Montserrat */
h1, h2, h3, h4, h5, h6,
.navbar-brand,
.card-header h4,
.card-header h5,
.modal-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
}

/* Navbar Superior */
.navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: white !important;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.navbar-logo {
    height: 70px;
    width: auto;
    object-fit: contain;
}

.login-logo {
    height: 60px;
    width: auto;
    object-fit: contain;
    margin-bottom: 1rem;
}

.navbar-nav {
    gap: 0.5rem;
}

/* Menú jerárquico (usuario TeChrea): agrupación por módulo en dropdowns */
.navbar-nav-techrea {
    align-items: center;
}

.navbar-nav-techrea .dropdown-menu {
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.navbar-nav-techrea .dropdown-item.active,
.navbar-nav-techrea .dropdown-item:active {
    background-color: var(--primary-color);
    color: #fff;
}

.nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: 8px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

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

.nav-link i {
    font-size: 1rem;
}

/* Iconos y flecha del menú superior en blanco */
.navbar-nav > .nav-item > .nav-link i {
    color: #ffffff !important;
}

.navbar-nav-techrea > .nav-item > .nav-link.dropdown-toggle::after,
.navbar-nav > .nav-item > .nav-link.dropdown-toggle::after {
    border-top-color: #ffffff !important;
}

/* Estilos para pestañas (tabs) - diferente del navbar */
.nav-tabs .nav-link {
    color: #495057 !important;
    background-color: transparent;
    border: 1px solid transparent;
    border-top-left-radius: 0.25rem;
    border-top-right-radius: 0.25rem;
    padding: 0.5rem 1rem;
    margin-bottom: -1px;
}

.nav-tabs .nav-link:hover {
    border-color: #e9ecef #e9ecef #dee2e6;
    background-color: #f8f9fa;
    color: #495057 !important;
}

.nav-tabs .nav-link.active {
    color: white !important;
    background-color: var(--primary-color);
    border-color: var(--primary-color) var(--primary-color) transparent;
    font-weight: 600;
}

.nav-tabs {
    border-bottom: 1px solid #dee2e6;
}

/* Contenedor Principal */
.main-container {
    max-width: 1500px;
    margin: 2rem auto;
    padding: 0 1rem;
    flex: 1;
    width: 100%;
    box-sizing: border-box;
}

/* Tarjeta de personalización más ancha */
#seccion-personalizacion-guardada {
    padding: 1rem 0;
}

/* Asegurar que la tarjeta de personalización tenga exactamente el mismo ancho que la de conciliación */
body div.main-container.personalizacion-card-wrapper {
    max-width: 1500px !important;
    margin: 2rem auto !important;
    padding: 0 1rem !important;
    width: 100% !important;
    box-sizing: border-box !important;
    flex: 1 !important;
}

/* Cards */
.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    margin-bottom: 1.5rem;
}

.card:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-radius: 12px 12px 0 0 !important;
    padding: 1rem 1.5rem;
    font-weight: 600;
    border: none;
}

.card-body {
    padding: 2rem;
}

/* Tarjeta de personalización más grande */
#seccion-personalizacion-guardada {
    padding: 1rem 0;
}

#seccion-personalizacion-guardada .row {
    margin-bottom: 1.5rem;
}

#seccion-personalizacion-guardada h6 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

#seccion-personalizacion-guardada .list-group-item {
    padding: 0.75rem 1rem;
}

/* Upload Area */
.file-upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    background: white;
    transition: all 0.3s ease;
    cursor: pointer;
}

.file-upload-area:hover {
    border-color: var(--primary-color);
    background: #f3f0ff;
}

.file-upload-area.dragover {
    border-color: var(--success-color);
    background: #ecfdf5;
}

/* Caja con nombre del archivo cargado (Conciliar y Personalización) */
.alert-file-loaded {
    background-color: rgba(26, 192, 196, 0.25) !important;
    color: #0a6b6e !important;
    border-color: rgba(26, 192, 196, 0.5) !important;
}

#btn-guardar-personalizacion {
    background-color: #47368c !important;
    color: white !important;
    border-color: #47368c !important;
}

#btn-guardar-personalizacion:hover:not(:disabled) {
    background-color: #352a6b !important;
    color: white !important;
    border-color: #352a6b !important;
}

.upload-icon {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Botones */
.btn {
    border-radius: 8px;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
    border: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.btn-resumen {
    background-color: #1ac0c4;
    color: white;
    border-color: #1ac0c4;
}

.btn-resumen:hover {
    background-color: #15a0a3;
    color: white;
    border-color: #15a0a3;
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* Modal gestión de usuarios (admin) */
.modal-header-usuarios-admin {
    background-color: #47368c;
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.modal-header-usuarios-admin .modal-title {
    color: #fff;
    font-weight: 600;
}

.btn-cancelar-modal-usuarios {
    background-color: #1ac0c4;
    color: #fff;
    border-color: #1ac0c4;
}

.btn-cancelar-modal-usuarios:hover:not(:disabled) {
    background-color: #15a0a3;
    color: #fff;
    border-color: #15a0a3;
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* Tabla usuarios (admin) — Editar */
.btn-editar-usuario-admin {
    background-color: #1ac0c4;
    color: #fff;
    border-color: #1ac0c4;
}

.btn-editar-usuario-admin:hover:not(:disabled) {
    background-color: #15a0a3;
    color: #fff;
    border-color: #15a0a3;
}

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

.btn-info {
    background: #06b6d4;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Botones del módulo Conciliar */
.page-conciliar .btn {
    background-color: #47368c !important;
    color: white !important;
    border-color: #47368c !important;
}

.page-conciliar .btn:hover:not(:disabled) {
    background-color: #352a6b !important;
    color: white !important;
    border-color: #352a6b !important;
}

.page-conciliar #btn-descargar-resumen {
    background-color: #1ac0c4 !important;
    color: white !important;
    border-color: #1ac0c4 !important;
}

.page-conciliar #tipo-cuenta-select {
    max-width: 320px;
}

.page-conciliar #btn-descargar-resumen:hover:not(:disabled) {
    background-color: #15a0a3 !important;
    color: white !important;
    border-color: #15a0a3 !important;
}

/* Stats Cards */
.stats-card {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    margin-bottom: 1rem;
}

.stats-card-total-operaciones {
    background: linear-gradient(135deg, #1ac0c4, #15a0a3) !important;
}

.stats-card-ss-coincidencias {
    background: linear-gradient(135deg, #1ac0c4, #1ac0c4) !important;
}

.stats-card-ss-diferencias {
    background: linear-gradient(135deg, #5550e9, #5550e9) !important;
}

.stats-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stats-label {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* Tabla diferencias Seguridad Social: scroll vertical (y horizontal si hace falta) con muchos registros */
.ss-diferencias-scroll-wrap {
    max-height: min(60vh, 560px);
    overflow-y: auto;
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    -webkit-overflow-scrolling: touch;
}

/* Carga Seguridad Social (barra al enviar formulario) */
.ss-loading-seguridad-social {
    padding: 2rem 1.25rem;
}

/* Progress Bar */
.progress {
    height: 30px;
    border-radius: 10px;
    background: var(--light-bg);
}

.progress-bar {
    background: linear-gradient(90deg, var(--success-color), var(--primary-color));
    border-radius: 10px;
    transition: width 0.3s ease;
}

/* Barras de progreso en módulo Conciliar: inician en #1ac0c4 */
.page-conciliar .progress-bar {
    background: linear-gradient(90deg, #1ac0c4, var(--primary-color));
}

/* Loading */
.loading {
    display: none;
    text-align: center;
    padding: 3rem;
}

.spinner-border {
    width: 3rem;
    height: 3rem;
}

/* Tablas */
.table {
    border-radius: 12px;
    overflow: hidden;
}

.table thead th {
    background: var(--primary-color);
    color: white;
    border: none;
    font-weight: 600;
    padding: 1rem;
}

.table tbody td {
    padding: 1rem;
    border-color: var(--border-color);
}

/* Alertas */
.alert {
    border-radius: 10px;
    border: none;
}

/* Footer */
.footer {
    background: var(--dark-bg);
    color: white;
    padding: 2rem;
    text-align: center;
    margin-top: auto;
}

/* Módulo Estadísticas: gráfico de torta más compacto para dar espacio al historial */
.page-estadisticas .chart-distribucion-wrap {
    max-width: 240px;
    position: relative;
}

@media (min-width: 992px) {
    .page-estadisticas .chart-distribucion-wrap {
        max-width: 220px;
    }
}

.page-estadisticas .card-chart-distribucion .card-body {
    min-height: 0;
}

/* Gráfica combinada línea + área: Procesamiento por mes */
.page-estadisticas .card-chart-procesamiento {
    border: 1px solid rgba(109, 40, 217, 0.35);
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.page-estadisticas .chart-procesamiento-mes-wrap {
    position: relative;
    width: 100%;
    min-height: 260px;
}

@media (min-width: 992px) {
    .page-estadisticas .chart-procesamiento-mes-wrap {
        min-height: 280px;
    }
}

/* Estadísticas Seguridad Social: KPIs arriba, 3 gráficas en fila, tabla abajo */
.page-estadisticas-ss .chart-distribucion-wrap {
    max-width: 100%;
}

.page-estadisticas-ss .chart-ss-grafica-wrap {
    position: relative;
    width: 100%;
    min-height: 260px;
}

.page-estadisticas-ss .card-chart-distribucion .chart-ss-grafica-wrap {
    min-height: 220px;
    max-width: 260px;
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 992px) {
    .page-estadisticas-ss .chart-ss-grafica-wrap {
        min-height: 280px;
    }
}

/* Historial y Estadísticas */
.history-item {
    border-left: 4px solid var(--primary-color);
    padding: 1rem;
    margin-bottom: 1rem;
    background: white;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.history-item:hover {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transform: translateX(5px);
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: white;
    border-radius: 8px;
    margin-bottom: 0.5rem;
}

/* Results Section */
.results-section {
    margin-top: 2rem;
}

/* Responsive */
@media (max-width: 768px) {
    .main-container {
        margin: 1rem auto;
        padding: 0 0.5rem;
    }
    
    .navbar-brand {
        font-size: 1.25rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .file-upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-icon {
        font-size: 2.5rem;
    }
}