/* =====================================================
   Ferrisoluciones - Estilos Universales
   Paleta de colores consistente para todos los módulos
   ===================================================== */

:root {
    /* Colores principales */
    --color-primary: #1a1a1a;
    --color-primary-dark: #2d2d2d;
    --color-accent: #d4a017;
    --color-accent-light: #e5b429;
    
    /* Colores de estado */
    --color-success: #28a745;
    --color-danger: #dc3545;
    --color-warning: #ffc107;
    --color-info: #17a2b8;
    
    /* Fondos */
    --bg-primary: #f5f7fa;
    --bg-white: #ffffff;
    --bg-dark: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    
    /* Textos */
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-light: #999999;
    --text-white: #ffffff;
    
    /* Sombras */
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.3);
    
    /* Bordes */
    --border-radius-sm: 8px;
    --border-radius-md: 15px;
    --border-radius-lg: 20px;
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow: auto;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

body.loaded {
    opacity: 1;
}

/* =====================================================
   NAVBAR - Barra de navegación universal
   ===================================================== */

.navbar {
    background: var(--bg-dark);
    color: var(--text-white);
    padding: 0;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 3px solid var(--color-accent);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 15px;
}

.nav-logo {
    height: 40px;
    width: auto;
}

.nav-title {
    font-size: 1.4em;
    font-weight: 700;
}

.nav-menu {
    display: flex;
    gap: 14px;
    align-items: center;
    flex-wrap: wrap;
}

.nav-btn {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-white);
    border: 2px solid transparent;
    border-radius: 14px;
    cursor: pointer;
    font-weight: 600;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), background var(--transition-normal), border-color var(--transition-normal);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.nav-btn i {
    font-size: 1.25em;
}

.nav-btn:hover,
.nav-btn.nav-btn-focused {
    transform: translateY(-3px);
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.18);
    background: rgba(212, 160, 23, 0.18);
    border-color: rgba(212, 160, 23, 0.4);
}

.nav-btn.active {
    background: var(--color-accent);
    color: var(--color-primary);
    border-color: var(--color-accent);
    box-shadow: 0 10px 22px rgba(212, 160, 23, 0.35);
}

.nav-btn.active:hover,
.nav-btn.active.nav-btn-focused {
    background: var(--color-accent-light);
    border-color: var(--color-accent-light);
}

.nav-btn-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

.nav-btn::after {
    content: attr(data-tooltip);
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%) translateY(-6px);
    background: rgba(16, 16, 16, 0.92);
    color: var(--text-white);
    padding: 8px 12px;
    border-radius: 10px;
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal), transform var(--transition-normal);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.25);
    z-index: 5;
}

.nav-btn::before {
    content: '';
    position: absolute;
    top: calc(100% + 4px);
    left: 50%;
    transform: translateX(-50%) translateY(-4px) scale(0.9);
    border-width: 6px;
    border-style: solid;
    border-color: rgba(16, 16, 16, 0.92) transparent transparent transparent;
    opacity: 0;
    transition: opacity var(--transition-normal), transform var(--transition-normal);
    z-index: 5;
}

.nav-btn:hover::after,
.nav-btn:hover::before,
.nav-btn:focus-visible::after,
.nav-btn:focus-visible::before,
.nav-btn.nav-btn-focused::after,
.nav-btn.nav-btn-focused::before {
    opacity: 1;
    transform: translateX(-50%) translateY(0) scale(1);
}

.nav-btn:focus-visible {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 4px rgba(212, 160, 23, 0.35);
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.nav-total {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    padding: 8px 16px;
    background: rgba(212, 160, 23, 0.1);
    border-radius: var(--border-radius-sm);
    border: 2px solid var(--color-accent);
}

.total-label {
    font-size: 0.75em;
    color: var(--color-accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.total-amount {
    font-size: 1.3em;
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1;
}

.user-info {
    text-align: right;
}

.user-name {
    font-weight: 700;
    font-size: 1em;
}

.user-role {
    font-size: 0.85em;
    opacity: 0.9;
    color: var(--color-accent);
}

.btn-logout {
    padding: 8px 20px;
    background: var(--color-accent);
    color: var(--color-primary);
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-weight: 700;
    transition: all var(--transition-normal);
}

.btn-logout:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(212, 160, 23, 0.4);
}

/* =====================================================
   CONTAINER - Contenedor principal
   ===================================================== */

.module-container {
    /* Área principal donde se inyectan módulos. No hace scroll el índice;
       este contenedor ocupa el alto disponible y delega el scroll a los módulos. */
    height: calc(100vh - 80px);
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
}

/* Asegurar que el contenedor donde se inyectan los módulos y sus hijos
   ocupen 100% de la altura disponible para que los módulos puedan scrollear. */
#moduleContainer, #moduleContainer > div, #ingresoFacturaContainer {
    height: 100%;
}

/* Asegurar que el hijo directo dentro de #moduleContainer pueda flexionar
   y permitir que elementos internos con overflow:auto funcionen correctamente. */
#moduleContainer > div {
    flex: 1 1 auto;
    min-height: 0;
}

/* Por defecto los módulos no deben crear scroll en los padres; cada módulo
   gestionará su propio overflow. */
#moduleContainer {
    overflow-y: auto;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 30px 20px;
}

/* =====================================================
   CARDS - Tarjetas universales
   ===================================================== */

.card {
    background: var(--bg-white);
    padding: 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    margin-bottom: 25px;
    border: 1px solid #f0f0f0;
    transition: all var(--transition-normal);
}

.card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
}

.card-title {
    font-size: 1.5em;
    font-weight: 700;
    color: var(--text-primary);
}


/* =====================================================
   BUTTONS - Botones universales
   ===================================================== */

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-weight: 600;
    font-size: 1em;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-accent:hover:not(:disabled) {
    background: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(212, 160, 23, 0.4);
}

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

.btn-success:hover:not(:disabled) {
    background: #218838;
    transform: translateY(-2px);
}

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

.btn-danger:hover:not(:disabled) {
    background: #c82333;
    transform: translateY(-2px);
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover:not(:disabled) {
    background: #5a6268;
    transform: translateY(-2px);
}

/* =====================================================
   FORMS - Formularios universales
   ===================================================== */

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

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: var(--border-radius-sm);
    font-size: 1em;
    transition: all var(--transition-normal);
    font-family: inherit;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(212, 160, 23, 0.1);
}

.form-input::placeholder {
    color: var(--text-light);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

/* =====================================================
   TABLES - Tablas universales
   ===================================================== */

.table-container {
    overflow-x: auto;
    margin-top: 20px;
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

.table thead {
    background: var(--bg-dark);
    color: white;
}

.table th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
    border-bottom: 3px solid var(--color-accent);
}

.table td {
    padding: 12px 15px;
    border-bottom: 1px solid #f0f0f0;
}

.table tbody tr:hover {
    background: #f8f9fa;
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* =====================================================
   ALERTS - Alertas y mensajes
   ===================================================== */

.alert {
    padding: 15px 20px;
    border-radius: var(--border-radius-sm);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* =====================================================
   MODALS - Ventanas modales
   ===================================================== */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 99999 !important;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(3px);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    padding: 30px;
    border-radius: var(--border-radius-lg);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease;
    z-index: 100000 !important;
    position: relative;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
}

.modal-title {
    font-size: 1.5em;
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5em;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    color: var(--color-danger);
    transform: scale(1.2);
}

/* =====================================================
   LOADING - Estados de carga
   ===================================================== */

.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--color-accent);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

/* =====================================================
   UTILITIES - Clases de utilidad
   ===================================================== */

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

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

.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }

.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }

.hidden {
    display: none !important;
}

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

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.85em;
    font-weight: 600;
}

.badge-success {
    background: #d4edda;
    color: #155724;
}

.badge-danger {
    background: #f8d7da;
    color: #721c24;
}

.badge-warning {
    background: #fff3cd;
    color: #856404;
}

.badge-info {
    background: #d1ecf1;
    color: #0c5460;
}

.badge-pendiente {
    background: #fff3cd;
    color: #856404;
}

.badge-abonada {
    background: #d1ecf1;
    color: #0c5460;
}

.badge-pagada {
    background: #d4edda;
    color: #155724;
}

.badge-vencida {
    background: #f8d7da;
    color: #721c24;
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
}

.loading-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.loading-state .spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--bg-primary);
    border-top: 4px solid var(--color-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 16px;
}

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

/* =====================================================
   RESPONSIVE - Diseño responsivo
   ===================================================== */

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .nav-menu {
        flex-direction: column;
        width: 100%;
    }
    
    .nav-btn {
        width: 100%;
        text-align: center;
    }
    
    .card {
        padding: 20px;
    }
    
    .container {
        padding: 20px 15px;
    }
}

/* =====================================================
   MÓDULO ESPECÍFICO - Componentes adicionales
   ===================================================== */

/* Estilos específicos para el modal de Nuevo Producto (aprovechar ancho y diseño consistente) */
#modalNuevoProductoIngreso .modal-content {
    max-width: 1000px;
    width: 95%;
}

#modalNuevoProductoIngreso .form-grid {
    display: grid;
    /* Tres columnas: Código 30% | Nombre flexible | Cantidad 25% */
    grid-template-columns: 30% 1fr 25%;
    gap: 16px;
    align-items: start;
}

/* Hacer que el modal funcione en columna: header fijo, body scrolleable y footer en la base */
#modalNuevoProductoIngreso .modal-content {
    display: flex;
    flex-direction: column;
    max-height: 85vh;
    padding: 14px 16px;
}

#modalNuevoProductoIngreso .modal-body {
    overflow: auto;
    flex: 1 1 auto;
    padding: 0; /* ya hay padding en modal-content */
}

/* Campos de selección en la parte baja (presentación / zonas) deben mostrar botones en 2 columnas */
#modalNuevoProductoIngreso .form-selections {
    margin-top: 12px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    align-items: start;
}

/* Progress overlay for inventory updates */
.progress-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.45);
    z-index: 5000;
}

.progress-overlay.hidden { display: none; }

.progress-card {
    width: 520px;
    max-width: 90%;
    background: var(--bg-white);
    padding: 18px 20px;
    border-radius: 10px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.25);
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: stretch;
}

.progress-title {
    font-weight: 700;
    color: var(--color-primary);
}

.progress-bar-bg {
    width: 100%;
    height: 14px;
    background: #f0f0f0;
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
    transition: width 300ms ease;
    box-shadow: 0 3px 10px rgba(212,160,23,0.15) inset;
}

.progress-text {
    text-align: right;
    font-weight: 700;
    color: var(--text-secondary);
    font-size: 0.95em;
}

#modalNuevoProductoIngreso .presentacion-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
    gap: 8px;
}

#modalNuevoProductoIngreso .zona-grid {
    display: grid;
    /* Usar auto-fit con minmax para acomodar más columnas y ahorrar altura */
    grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
    gap: 8px;
    max-height: 40vh;
    overflow: auto;
}

/* Evitar que el header fijo tape el modal: empujar modal hacia abajo cuando esté activo */
#modalNuevoProductoIngreso.modal.active {
    align-items: flex-start;
    padding-top: calc(var(--header-offset, 90px));
}

#modalNuevoProductoIngreso .modal-content {
    margin-top: 0; /* ya manejado por padding-top en el overlay */
}

/* Botones pequeños reutilizables dentro del modal */
.btn-small {
    padding: 6px 8px;
    border-radius: 8px;
    border: 1px solid #e6e6e6;
    background: #f7f7f8;
    color: var(--text-primary);
    cursor: pointer;
    font-weight: 700;
    transition: all var(--transition-fast);
    text-align: center;
}

/* Version compacta de botones usada específicamente en la rejilla de zonas */
#modalNuevoProductoIngreso .zona-grid .btn-small {
    padding: 6px 6px;
    font-size: 0.95em;
    border-radius: 6px;
    min-height: 34px;
}

/* Reducir márgenes de formulario y inputs para ahorrar vertical */
.form-group { margin-bottom: 12px; }
.form-label { margin-bottom: 6px; }
.form-input, .form-select, .form-textarea { padding: 10px 12px; }

/* Footer pegado dentro del modal */
#modalNuevoProductoIngreso .modal-footer {
    position: sticky;
    bottom: 0;
    background: white;
    padding: 10px 16px;
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    border-top: 1px solid #f0f0f0;
    box-shadow: 0 -6px 12px rgba(0,0,0,0.04);
}

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

.btn-small.btn-outline {
    background: transparent;
    border: 1px solid #e0e0e0;
}

.btn-small.active {
    background: linear-gradient(90deg, rgba(212,160,23,0.15), rgba(212,160,23,0.06));
    border-color: var(--color-accent);
    color: var(--color-primary);
}

/* Asegurar que los inputs ocultos mantengan su accesibilidad visual si es necesario */
#modalNuevoProductoIngreso input[type="hidden"] { display: none; }

@media (max-width: 900px) {
    #modalNuevoProductoIngreso .form-grid {
        grid-template-columns: 1fr 1fr;
    }

    #modalNuevoProductoIngreso #presentacionBotonesNuevoProducto {
        grid-template-columns: repeat(3, 1fr);
    }

    #modalNuevoProductoIngreso #zonaBotonesNuevoProducto {
        grid-template-columns: repeat(3, 1fr);
    }
}

.container-full {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: calc(100vh - 80px);
    overflow: hidden;
}

.container-full > .vista-modo {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
}

.module-header {
    background: var(--bg-white);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    border-bottom: 2px solid var(--color-accent);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.header-left {
    flex: 1;
}

.module-title {
    font-size: 1.8em;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 5px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.module-subtitle {
    color: var(--text-secondary);
    font-size: 1em;
}

.stats-group {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 20px;
    background: var(--bg-primary);
    border-radius: var(--border-radius-sm);
    min-width: 120px;
}

.stat-label {
    font-size: 0.85em;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.stat-value {
    font-size: 1.3em;
    font-weight: 700;
}

.stat-value.accent {
    color: var(--color-accent);
}

.stat-value.info {
    color: var(--color-info);
}

.stat-value.danger {
    color: var(--color-danger);
}

.filters-bar {
    background: var(--bg-white);
    padding: 15px 20px;
    box-shadow: var(--shadow-sm);
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    align-items: end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
    min-width: 200px;
}

.filter-label {
    font-size: 0.9em;
    color: var(--text-secondary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 5px;
}

.filter-actions {
    display: flex;
    gap: 10px;
    margin-left: auto;
}

.content-wrapper {
    flex: 1;
    background: var(--bg-primary);
    min-height: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.facturas-scroll-container {
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
}

/* Removed aggressive debug fallback to allow normal flex sizing.
   The media-query height overrides with !important caused forced
   scroll behavior during development. */

.facturas-grid {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.factura-card {
    background: var(--bg-white);
    border-radius: 8px;
    padding: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--bg-primary);
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.factura-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.factura-numero {
    font-weight: 600;
    color: var(--text-primary);
}

.factura-body .factura-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.factura-label {
    color: var(--text-secondary);
    font-size: 14px;
}

.factura-value {
    font-weight: 500;
}

.factura-total {
    color: var(--color-accent);
}

.factura-saldo {
    color: var(--color-info);
}

.factura-footer {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--bg-primary);
}

.modal-lg {
    max-width: 900px;
}

.table-responsive {
    overflow-x: auto;
    margin: 0 -20px;
    padding: 0 20px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-white);
}

.data-table thead {
    background: var(--bg-primary);
}

.data-table th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--color-accent);
}

.data-table td {
    padding: 12px;
    border-bottom: 1px solid var(--bg-primary);
}

.data-table tr:hover {
    background: var(--bg-primary);
}

.text-accent {
    color: var(--color-accent);
    font-weight: 600;
}

.text-info {
    color: var(--color-info);
    font-weight: 600;
}

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

.form-textarea {
    width: 100%;
    padding: 10px;
    border: 2px solid #ddd;
    border-radius: var(--border-radius-sm);
    font-family: inherit;
    font-size: 1em;
    resize: vertical;
    transition: all var(--transition-fast);
}

.form-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 20px;
}

.required::after {
    content: " *";
    color: var(--color-danger);
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        align-items: stretch;
    }
    
    .stats-group {
        width: 100%;
        justify-content: space-between;
    }
    
    .stat-item {
        flex: 1;
        min-width: auto;
    }
    
    .filters-bar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-group {
        width: 100%;
    }
    
    .filter-actions {
        width: 100%;
        margin-left: 0;
    }
    
    .filter-actions button {
        flex: 1;
    }
}

    /* =====================================================
       PRODUCTOS - Contenedor scrolleable para la tabla
       Limita la altura y habilita scroll interno para acceder
       a productos que queden por debajo del fold.
       ===================================================== */
    .productos-tabla-container {
        /* Dejar que la vista global haga el scroll; evitar doble-scroll
           en el carrito para que el desplazamiento recorra toda la vista. */
        max-height: none;
        overflow: visible;
        border: 1px solid #eef0f3;
        border-radius: 10px;
        padding: 6px; /* Espacio alrededor de la tabla */
        background: var(--bg-white);
    }

    .productos-tabla {
        width: 100%;
        border-collapse: collapse;
    }

    /* Mantener el encabezado visible al hacer scroll */
    .productos-tabla thead th {
        position: sticky;
        top: 0;
        background: #ffffff;
        z-index: 3;
        box-shadow: 0 2px 6px rgba(0,0,0,0.04);
    }

    .productos-tabla tbody tr td {
        vertical-align: middle;
    }

    .productos-tabla-container .empty-state {
        padding: 18px;
        text-align: center;
        color: var(--text-secondary);
    }

/* Fixes for proveedores scrolling: ensure the invoices area can flex and scroll
   even if the module is injected inside extra wrappers. */
#vistaFacturas,
.facturas-scroll-container,
.facturas-grid {
    min-height: 0;
}

.facturas-scroll-container {
    display: block;
    flex: 1 1 auto;
    min-height: 0;
    height: auto !important;
    max-height: 100%;
    overflow-y: auto;
}

.facturas-grid {
    align-content: start;
}

/* =====================================================
   MODALS - Ventanas modales
   ===================================================== */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 99999 !important;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(3px);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    padding: 30px;
    border-radius: var(--border-radius-lg);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease;
    z-index: 100000 !important;
    position: relative;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
}

.modal-title {
    font-size: 1.5em;
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5em;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    color: var(--color-danger);
    transform: scale(1.2);
}


/* =====================================================
   Botón Flotante y Modal de Simulación
   ===================================================== */

.btn-float-transfer {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--color-accent);
    color: var(--color-primary);
    border: none;
    box-shadow: 0 4px 15px rgba(212, 160, 23, 0.4);
    font-size: 24px;
    cursor: pointer;
    z-index: 1000;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-float-transfer:hover {
    transform: scale(1.1);
    background: var(--color-accent-light);
}

.payment-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 15px;
}

.payment-option input {
    display: none;
}

.payment-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 15px;
    background: var(--bg-primary);
    border: 2px solid transparent;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-secondary);
}

.payment-card i {
    font-size: 24px;
    margin-bottom: 8px;
}

.payment-option input:checked + .payment-card {
    border-color: var(--color-accent);
    background: rgba(212, 160, 23, 0.1);
    color: var(--color-accent);
}

.summary-box {
    background: var(--bg-primary);
    padding: 15px;
    border-radius: var(--border-radius-sm);
    margin-top: 15px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    font-size: 1.1em;
    font-weight: bold;
    margin-bottom: 5px;
}

.summary-row:last-child {
    margin-bottom: 0;
}

.amount {
    font-family: 'Courier New', monospace;
}