/**
 * Estilos generales de la aplicación de Contabilidad Casera.
 * 
 * Este archivo implementa el diseño visual del proyecto con una estética moderna,
 * similar a una aplicación de escritorio, utilizando una paleta de colores limpia,
 * tipografía cuidada, barra lateral de navegación fija, y componentes responsivos.
 * 
 * @category CSS
 * @package  ContabilidadCasera
 * @author   Antigravity
 */

/* Importación de tipografía moderna desde Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* Variables de diseño y paleta de colores */
:root {
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    /* Colores del sistema */
    --color-bg-app: #f8fafc;
    --color-bg-card: #ffffff;
    --color-sidebar: #0f172a;
    --color-sidebar-hover: #1e293b;
    --color-sidebar-active: #3b82f6;
    
    /* Colores de estado */
    --color-text-main: #1e293b;
    --color-text-muted: #64748b;
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-success: #10b981;
    --color-success-bg: #ecfdf5;
    --color-danger: #ef4444;
    --color-danger-bg: #fef2f2;
    --color-warning: #f59e0b;
    --color-warning-bg: #fffbeb;
    
    /* Bordes y sombras */
    --border-color: #e2e8f0;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.02);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
    
    /* Dimensiones */
    --sidebar-width: 260px;
    --transition-speed: 0.2s;
}

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

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-app);
    color: var(--color-text-main);
    line-height: 1.5;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Layout de la Aplicación (Efecto Escritorio) */
.app-container {
    display: flex;
    min-height: 100vh;
    width: 100vw;
}

/* Barra Lateral (Sidebar) */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--color-sidebar);
    color: #ffffff;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 100;
    border-right: 1px solid rgba(255,255,255,0.05);
}

.sidebar-brand {
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-brand svg {
    width: 32px;
    height: 32px;
    color: var(--color-sidebar-active);
}

.sidebar-brand h1 {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: #ffffff;
}

.sidebar-menu {
    padding: 24px 16px;
    flex-grow: 1;
}

.sidebar-menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sidebar-item a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: #94a3b8;
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all var(--transition-speed) ease;
}

.sidebar-item a svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-speed) ease;
}

.sidebar-item a:hover {
    background-color: var(--color-sidebar-hover);
    color: #ffffff;
}

.sidebar-item a:hover svg {
    transform: translateX(2px);
}

.sidebar-item.active a {
    background-color: var(--color-sidebar-active);
    color: #ffffff;
}

.sidebar-footer {
    padding: 20px 24px;
    border-top: 1px solid rgba(255,255,255,0.08);
    font-size: 0.8rem;
    color: #64748b;
    text-align: center;
}

/* Área de Contenido Principal */
.main-content {
    margin-left: var(--sidebar-width);
    flex-grow: 1;
    padding: 40px;
    min-height: 100vh;
}

.content-header {
    margin-bottom: 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.content-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text-main);
    letter-spacing: -0.5px;
}

.content-header p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-top: 4px;
}

/* Tarjetas de Resumen (Grid del Dashboard) */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.metric-card {
    background-color: var(--color-bg-card);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

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

.metric-info h3 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-muted);
    margin-bottom: 8px;
    font-weight: 600;
}

.metric-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text-main);
}

.metric-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.metric-icon svg {
    width: 24px;
    height: 24px;
}

/* Clases específicas de estados en métricas */
.metric-card.ingresos .metric-icon {
    background-color: var(--color-success-bg);
    color: var(--color-success);
}
.metric-card.ingresos .metric-value {
    color: var(--color-success);
}

.metric-card.gastos .metric-icon {
    background-color: var(--color-danger-bg);
    color: var(--color-danger);
}
.metric-card.gastos .metric-value {
    color: var(--color-danger);
}

.metric-card.balance.positivo .metric-icon {
    background-color: var(--color-success-bg);
    color: var(--color-success);
}
.metric-card.balance.positivo .metric-value {
    color: var(--color-success);
}
.metric-card.balance.negativo .metric-icon {
    background-color: var(--color-danger-bg);
    color: var(--color-danger);
}
.metric-card.balance.negativo .metric-value {
    color: var(--color-danger);
}

/* Sección de Visualización y Gráficos */
.dashboard-layout {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 24px;
    margin-bottom: 32px;
}

@media (max-width: 1024px) {
    .dashboard-layout {
        grid-template-columns: 1fr;
    }
}

.card {
    background-color: var(--color-bg-card);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-main);
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Módulo de Entrada (Formularios y Tablas combinados) */
.module-layout {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 32px;
    align-items: start;
}

@media (max-width: 900px) {
    .module-layout {
        grid-template-columns: 1fr;
    }
}

/* Estilos de Formularios */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-main);
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--color-text-main);
    background-color: #ffffff;
    transition: border-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: background-color var(--transition-speed) ease, transform var(--transition-speed) ease;
    width: 100%;
}

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

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

.btn-danger {
    background-color: var(--color-danger);
    color: #ffffff;
    padding: 6px 12px;
    font-size: 0.85rem;
    width: auto;
}

.btn-danger:hover {
    background-color: #dc2626;
}

/* Tablas */
.table-responsive {
    overflow-x: auto;
    width: 100%;
}

.table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.95rem;
}

.table th {
    background-color: #f8fafc;
    color: var(--color-text-muted);
    font-weight: 600;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--color-text-main);
    vertical-align: middle;
}

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

.table tbody tr:hover {
    background-color: #f8fafc;
}

/* Badges e indicadores visuales */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

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

.badge-danger {
    background-color: var(--color-danger-bg);
    color: var(--color-danger);
}

.badge-warning {
    background-color: var(--color-warning-bg);
    color: var(--color-warning);
}

.badge-primary {
    background-color: #eff6ff;
    color: var(--color-primary);
}

/* Notificaciones flash (Mensajes de éxito o error) */
.alert {
    padding: 14px 20px;
    border-radius: var(--border-radius-sm);
    margin-bottom: 24px;
    font-size: 0.95rem;
    font-weight: 500;
    border-left: 4px solid transparent;
}

.alert-success {
    background-color: var(--color-success-bg);
    color: #065f46;
    border-left-color: var(--color-success);
}

.alert-danger {
    background-color: var(--color-danger-bg);
    color: #991b1b;
    border-left-color: var(--color-danger);
}

/* Utilidades de texto */
.text-right {
    text-align: right;
}

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

.text-success {
    color: var(--color-success) !important;
}

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

.empty-state svg {
    width: 48px;
    height: 48px;
    margin-bottom: 12px;
    color: var(--border-color);
}

/* ==========================================================================
   Filtros del Panel de Control (Escritorio)
   ========================================================================== */

/**
 * Contenedor del formulario de filtros. Disposición flex con fondo de tarjeta.
 */
.filter-form {
    display: flex;
    align-items: center;
    gap: 16px;
    background-color: var(--color-bg-card);
    padding: 8px 16px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

/**
 * Selector de periodos predefinidos.
 */
.filter-select {
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-main);
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background-color: #ffffff;
    cursor: pointer;
    outline: none;
    transition: border-color var(--transition-speed);
}

.filter-select:focus {
    border-color: var(--color-primary);
}

/**
 * Contenedor de inputs de fecha personalizados. Se muestra con transición suave.
 */
.filter-custom-dates {
    display: flex;
    align-items: center;
    gap: 12px;
    border-left: 1px solid var(--border-color);
    padding-left: 16px;
    animation: filterFadeIn 0.3s ease-in-out;
}

/**
 * Agrupación de etiqueta e input de fecha.
 */
.date-input-group {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

/**
 * Campo de entrada de tipo fecha.
 */
.filter-date {
    font-family: var(--font-primary);
    font-size: 0.85rem;
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    outline: none;
    color: var(--color-text-main);
}

.filter-date:focus {
    border-color: var(--color-primary);
}

/**
 * Botón para aplicar el filtro de fecha personalizado.
 */
.btn-filter-apply {
    background-color: var(--color-primary);
    color: #ffffff;
    border: none;
    border-radius: var(--border-radius-sm);
    padding: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-speed);
}

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

.btn-filter-apply svg {
    width: 16px;
    height: 16px;
}

/**
 * Animación de aparición para los filtros personalizados.
 */
@keyframes filterFadeIn {
    from {
        opacity: 0;
        transform: translateX(10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/**
 * Filas de facturas emitidas cobradas y recibidas pagadas
 */
.fila-pagada {
    background-color: #78b178 !important;
}

/* Forzar color blanco solo en elementos de texto que no sean botones ni badges específicos */
.fila-pagada td,
.fila-pagada td *:not(.btn):not(.btn *):not(button):not(button *):not(.badge-estado):not(.badge-tipo-doc):not(.badge-cobrado):not(.badge-otros) {
    color: #ffffff !important;
}

/* Enlaces normales (no botones) dentro de las filas pagadas */
.fila-pagada td a:not(.btn) {
    color: #ffffff !important;
    text-decoration: underline;
}

/* Badge de Cobrado (#92400e) */
.badge-cobrado {
    color: #92400e !important;
}

/* Badge de Emitida (#10b981) */
.badge-emitida {
    color: #10b981 !important;
}

/* Badge de Abono o Factura (#1e40af) */
.badge-tipo-doc {
    color: #1e40af !important;
}

/* Badge de Otros en Gastos Generales (Gris) */
.badge-otros {
    color: #374151 !important; /* Gris oscuro */
    background-color: #e5e7eb !important; /* Gris claro */
    border: 1px solid #d1d5db;
    border-radius: var(--border-radius-sm);
}

/* Fila de presupuestos Rechazados */
.fila-rechazada {
    background-color: #fee2e2 !important; /* Rojo pastel */
}

/* Forzar color del texto para que sea legible sobre el fondo rojo suave */
.fila-rechazada td,
.fila-rechazada td *:not(.btn):not(.btn *):not(button):not(button *):not(.badge-estado):not(.badge-tipo-doc) {
    color: #991b1b !important;
}

/* Enlaces normales (no botones) dentro de las filas rechazadas */
.fila-rechazada td a:not(.btn) {
    color: #991b1b !important;
    text-decoration: underline;
}