/* ==========================================================================
   Variables Globales
   ========================================================================== */
:root {
    /* Colores principales */
    --primary-color: #333;
    --secondary-color: #444;
    --text-color: #666;
    --light-bg: #f4f4f4;
    --white: #fff;
    --border-color: #ddd;
    
    /* Estados y alertas */
    --success-color: #4CAF50;
    --error-color: #d32f2f;
    --warning-color: #ffbb33;
    
    /* Dimensiones */
    --sidebar-width: 250px;
    
    /* Sombras */
    --card-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* ==========================================================================
   Reset y Estilos Base
   ========================================================================== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--light-bg);
    color: var(--text-color);
    line-height: 1.5;
}

/* ==========================================================================
   Layout Principal
   ========================================================================== */
.layout-container {
    display: flex;
    min-height: 100vh;
    background-color: var(--light-bg);
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 20px;
    min-height: 100vh;
    margin-left: 0;  /* Cambiado */
}

/* Header y Footer Base */
header {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1em;
    text-align: center;
}

.logo {
    padding: 10px;
}

.logo img {
    max-height: 60px;
}

/* ==========================================================================
   Sidebar y Navegación
   ========================================================================== */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--primary-color);
    color: var(--white);
    flex-shrink: 0; /* Evita que el sidebar se encoja */
}

.sidebar-header {
    padding: 20px;
    background-color: var(--secondary-color);
    border-bottom: 1px solid #555;
}

.user-info {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.username {
    font-weight: bold;
    font-size: 16px;
    color: var(--white);
}

/* Navegación del Sidebar */
.sidebar-nav {
    padding: 20px 0;
}


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

.sidebar-nav > ul > li {
    margin-bottom: 5px;
}

.sidebar-nav a {
    display: block;
    padding: 10px 20px;
    color: var(--white);
    text-decoration: none;
    transition: background-color 0.3s;
}

.sidebar-nav a:hover {
    background-color: var(--secondary-color);
}

.sidebar-nav .has-submenu > a::after {
    content: '▼';
    float: right;
    font-size: 12px;
    margin-top: 3px;
    transition: transform 0.3s;
}

.sidebar-nav .has-submenu.open > a::after {
    transform: rotate(180deg);
}

/* Submenús */
.sidebar-nav ul ul {
    background-color: #2a2a2a;
    display: none;
}

.sidebar-nav li.open > ul {
    display: block;
}

.sidebar-nav ul ul a {
    padding-left: 40px;
    font-size: 14px;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid var(--secondary-color);
}

/* ==========================================================================
   Componentes Comunes
   ========================================================================== */
/* Cards */
.card {
    background: var(--white);
    padding: 20px;
    border-radius: 8px;
    box-shadow: var(--card-shadow);
    margin-bottom: 20px;
}

.card-header {
    margin-bottom: 20px;
}

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

.card-header .title-section {
    display: flex;
    align-items: center;
    gap: 15px;
    flex: 0 0 auto;
}

.card-header .search-section {
    flex-grow: 1;
    min-width: 400px;
}

/* Botones */
.btn-primary, .btn-secondary, button {
    padding: 12px;
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: background-color 0.2s;
}

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

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

.btn-small {
    padding: 4px 8px;
    font-size: 12px;
}

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

.btn-secondary:hover { 
    background-color: #5a6268; 
}

/* Badges y Estados */
.badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: bold;
}

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

.badge.completed {
    background-color: #9E9E9E;
    color: var(--white);
}

/* Estado para proyectos y encuestas */
.estado {
    padding: 4px 8px;
    border-radius: 4px;
    font-weight: bold;
    color: var(--white);
}

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

.estado.pendiente {
    background-color: var(--warning-color);
}

/* Botones de acción */
.action-buttons {
    display: flex;
    gap: 5px;
    justify-content: flex-end;
}

.action-button {
    padding: 6px 12px;
    border-radius: 4px;
    color: var(--white);
    text-decoration: none;
    font-size: 13px;
    cursor: pointer;
    transition: background-color 0.2s;
}

/* Colores para botones de acción */
.action-button.ver { background-color: var(--primary-color); }
.action-button.editar { background-color: var(--warning-color); }
.action-button.eliminar { background-color: var(--error-color); }

/* Mensajes y Alertas */
.message,
.error-message,
.error-list {
    padding: 10px;
    margin-bottom: 20px;
    border-radius: 4px;
}

.message {
    background-color: #e8f5e9;
    border: 1px solid #c8e6c9;
    color: #2e7d32;
}

.error-message,
.error-list {
    background-color: #fff3f3;
    border: 1px solid #ffcdd2;
    color: var(--error-color);
}

/* ==========================================================================
   Tablas y Listados
   ========================================================================== */
.table-responsive {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background-color: var(--white);
}

th, td {
    padding: 12px;
    text-align: left;
    border: 1px solid var(--border-color);
}

th {
    background-color: var(--primary-color);
    color: var(--white);
}

tr:nth-child(even) {
    background-color: var(--light-bg);
}

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

/* Ordenación en tablas */
.sortable {
    cursor: pointer;
    position: relative;
}

.sortable a {
    color: inherit;
    text-decoration: none;
    position: relative;
    display: flex;
    align-items: center;
    padding-right: 15px;
}

.sortable a::after {
    content: '↕';
    position: absolute;
    right: 0;
    opacity: 0.5;
}

.sortable.asc a::after {
    content: '↑';
    opacity: 1;
}

.sortable.desc a::after {
    content: '↓';
    opacity: 1;
}

/* Paginación */
.pagination-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    padding: 10px 0;
}

.items-per-page {
    display: flex;
    align-items: center;
    gap: 10px;
}

.items-per-page select {
    padding: 5px 10px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.pagination {
    display: flex;
    gap: 5px;
}

.page-link {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-color);
    text-decoration: none;
    background: var(--white);
}

.page-link:hover {
    background-color: var(--light-bg);
}

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

.dots {
    border: none;
    padding: 8px 5px;
}

/* Buscador y Filtros */
.search-box {
    display: flex;
    gap: 10px;
    align-items: center;
    width: 100%;
}

.search-box input,
.search-box button,
.card-header button {
    height: 40px;
    line-height: 40px;
    padding: 0 15px;
    font-size: 16px;
}

.search-box input {
    flex-grow: 1;
    min-width: 300px;
    padding: 0 15px;
    box-sizing: border-box;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.filters-section {
    margin-bottom: 1rem;
    padding: 1rem;
    background-color: #f8f9fa;
    border-radius: 4px;
}

.filter-form {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-group label {
    font-weight: 500;
    color: var(--text-color);
}

.filter-group select {
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--white);
}

/* ==========================================================================
   Formularios
   ========================================================================== */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-bottom: 15px;
}

.form-group label {
    font-weight: 500;
    color: var(--text-color);
}

.form-group input, 
.form-group select, 
.form-group textarea {
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 16px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #0066cc;
    box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.2);
}

.form-section {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.form-section:last-child {
    border-bottom: none;
}

.form-section h3 {
    margin-bottom: 20px;
    color: #333;
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
}

.form-row .form-group {
    flex: 1;
}

.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 10px;
    margin-top: 10px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* URLs en formularios */
.url-container {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.url-input {
    width: 200px;
    padding: 0.25rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.875rem;
}

/* ==========================================================================
   Dashboard y Estadísticas
   ========================================================================== */
.dashboard-container {
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-numbers {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 15px;
}

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

.stat-label {
    font-size: 14px;
    color: var(--text-color);
    margin-bottom: 5px;
}

.stats-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    padding: 1rem;
    border-radius: 8px;
    box-shadow: var(--card-shadow);
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--success-color);
}

/* Gráficos y Charts */
.charts-section {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.charts-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.chart-box {
    background: white;
    padding: 1rem;
    border-radius: 8px;
    box-shadow: var(--card-shadow);
    min-height: 300px;
}

.chart-container {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--card-shadow);
    height: 400px;
}

/* ==========================================================================
   Detalles de Proyecto
   ========================================================================== */
.detail-section {
    margin-bottom: 30px;
    padding: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: var(--card-shadow);
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.detail-label {
    font-weight: bold;
    color: var(--text-color);
    font-size: 0.9em;
}

.detail-value {
    color: #333;
}

.detail-value a {
    color: #0066cc;
    text-decoration: none;
}

.detail-value a:hover {
    text-decoration: underline;
}

.detail-text h4 {
    color: #333;
    margin: 15px 0 10px 0;
}

.detail-text p {
    margin: 0 0 20px 0;
    line-height: 1.5;
    color: #444;
}

/* Asignaciones y Grupos */
.assignments-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.assignments-section h4 {
    margin-bottom: 15px;
    color: #333;
}

.assignments-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.assignments-list li {
    padding: 8px 0;
    border-bottom: 1px solid #eee;
}

.assignments-list li:last-child {
    border-bottom: none;
}

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

.department-group h5 {
    color: #666;
    margin-bottom: 10px;
    font-size: 0.9em;
}

.employee-code {
    color: #666;
    font-size: 0.9em;
}

/* ==========================================================================
   Sistema de Notificaciones
   ========================================================================== */
.notifications-container {
    position: relative;
    margin-top: auto;
    padding: 10px 20px;
    border-top: 1px solid var(--secondary-color);
}

.notifications-icon {
    cursor: pointer;
    position: relative;
    display: inline-block;
}

.notification-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--error-color);
    color: var(--white);
    border-radius: 50%;
    padding: 2px 6px;
    font-size: 12px;
    min-width: 16px;
    text-align: center;
}

.notifications-panel {
    display: none;
    position: absolute;
    bottom: 100%;
    right: 0;
    width: 300px;
    max-height: 400px;
    background: var(--white);
    border-radius: 8px;
    box-shadow: var(--card-shadow);
    overflow-y: auto;
}

.notification-item {
    padding: 10px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
}

.notification-item:hover {
    background: var(--light-bg);
}

.notification-item.priority-high { border-left: 4px solid var(--error-color); }
.notification-item.priority-medium { border-left: 4px solid var(--warning-color); }
.notification-item.priority-low { border-left: 4px solid var(--success-color); }

/* ==========================================================================
   Modal
   ========================================================================== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    z-index: 1000;
}

.modal-content {
    background-color: var(--white);
    padding: 20px;
    border-radius: 8px;
    width: 90%;
    max-width: 500px;
    margin: 50px auto;
    position: relative;
}

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

/* ==========================================================================
   Encuestas
   ========================================================================== */
.departments-questions {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.department-section {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
}

.department-section h3 {
    padding: 1rem;
    margin: 0;
    background-color: #f8f9fa;
    border-bottom: 1px solid #dee2e6;
}

.department-section .table-responsive {
    margin: 0;
}

.department-section table {
    margin: 0;
}

.empleados-departamento {
    margin-top: 15px;
    padding: 15px;
    background: var(--light-bg);
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.empleados-departamento h4 {
    margin: 10px 0;
    color: #666;
    font-size: 14px;
}

/* Valoraciones */
.valoracion {
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-weight: bold;
}

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

.valoracion.media {
    background-color: var(--warning-color);
    color: black;
}

.valoracion.baja {
    background-color: var(--error-color);
    color: white;
}

/* Stats específicos de encuestas */
.stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

/* Botón logout */
.logout-btn {
    display: flex;
    align-items: center;
    padding: 10px;
    color: var(--white);
    text-decoration: none;
    transition: background-color 0.3s;
    border-radius: 4px;
}

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

/* ==========================================================================
   Cards y contenedores adicionales
   ========================================================================== */
.card-actions {
    display: flex;
    gap: 10px;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 1200px) {
    .charts-section {
        grid-template-columns: 1fr;
    }
    
    .stats-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 200px;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .main-content {
    flex: 1;
    padding: 20px;
    }

    .card-header .search-section,
    .search-box input {
        min-width: 100%;
    }

    .card-header .header-content {
        flex-direction: column;
        align-items: stretch;
    }

    .stats-row {
        grid-template-columns: 1fr;
    }

    .detail-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        flex-direction: column;
    }

    .charts-section,
    .charts-row {
        grid-template-columns: 1fr;
    }

    .filter-form {
        flex-direction: column;
    }
    
    .action-buttons {
        flex-wrap: wrap;
    }
}

@media (max-width: 576px) {
    .card {
        padding: 15px;
    }

    .pagination {
        flex-wrap: wrap;
        justify-content: center;
    }

    .items-per-page {
        width: 100%;
        justify-content: center;
        margin-bottom: 10px;
    }
    
    .stat-card {
        padding: 0.5rem;
    }
}

@media (min-width: 769px) {
    .mobile-menu-toggle {
        display: none;
    }
}

/* ==========================================================================
   Utilidades
   ========================================================================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }

.hidden { display: none; }
.visible { display: block; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

/* Transiciones */
.fade {
    transition: opacity 0.3s ease-in-out;
}

.slide {
    transition: transform 0.3s ease-in-out;
}