:root {
    /* Colores Modo Claro */
    --bg-primary: #667eea;
    --bg-secondary: #764ba2;
    --bg-container: white;
    --bg-controls: #f8f9fa;
    --bg-table-header: #4CAF50;
    --bg-table-row-even: #f8f9fa;
    --bg-table-row-hover: #e3f2fd;
    --text-primary: #333;
    --text-secondary: #495057;
    --text-light: #666;
    --border-color: #dee2e6;
    --shadow-color: rgba(0,0,0,0.2);
    --modal-overlay: rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] {
    /* Colores Modo Oscuro */
    --bg-primary: #1a1a2e;
    --bg-secondary: #16213e;
    --bg-container: #0f3460;
    --bg-controls: #16213e;
    --bg-table-header: #2d5016;
    --bg-table-row-even: #1a2332;
    --bg-table-row-hover: #243447;
    --text-primary: #e2e8f0;
    --text-secondary: #cbd5e0;
    --text-light: #a0aec0;
    --border-color: #2d3748;
    --shadow-color: rgba(0,0,0,0.4);
    --modal-overlay: rgba(0, 0, 0, 0.7);
}

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

.chart-header {
    text-align: center;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.theme-toggle {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    padding: 8px 12px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background: rgba(255,255,255,0.3);
    transform: translateY(-50%) scale(1.05);
}

.theme-toggle {
        position: static;
        transform: none;
        margin-top: 10px;
    }

body {
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    background: white;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    overflow: hidden;
}

.header {
    background: linear-gradient(45deg, #4CAF50, #45a049);
    color: white;
    text-align: center;
    padding: 20px;
    font-size: 24px;
    font-weight: bold;
    letter-spacing: 1px;
}

.controls {
    padding: 20px;
    background: #f8f9fa;
    border-bottom: 2px solid #e9ecef;
}

.button-group {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

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

.btn-primary {
    background: #007bff;
    color: white;
}

.btn-info {
    background: #17a2b8;
    color: white;
}

.btn-purple {
    background: #6f42c1;
    color: white;
}

.btn-danger {
    background: #dc3545;
    color: white;
}

.btn-success {
    background: #28a745;
    color: white;
}

.btn-warning {
    background: #ffc107;
    color: #212529;
}

.search-section {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    align-items: center;
    flex-wrap: wrap;
}

.search-input {
    flex: 1;
    min-width: 200px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 14px;
}

.status-info {
    background: #e9ecef;
    padding: 10px;
    border-radius: 5px;
    margin: 10px 0;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 8px;
}

.filters-section {
    background: white;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid #dee2e6;
    margin-top: 15px;
}

.filters-title {
    color: #007bff;
    font-weight: bold;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-row {
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
}

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

.filter-group label {
    font-weight: bold;
    color: #495057;
}

.filter-group select {
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
    min-width: 120px;
}

.dates-section {
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-width: 200px;
}

.dates-buttons {
    display: flex;
    gap: 10px;
}

.dates-buttons button {
    padding: 5px 10px;
    border: 1px solid #007bff;
    background: white;
    color: #007bff;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
}

.dates-buttons button:hover {
    background: #007bff;
    color: white;
}

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

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

table th {
    background: #4CAF50;
    color: white;
    padding: 12px 8px;
    text-align: center;
    font-weight: bold;
}

table td {
    padding: 10px 8px;
    text-align: center;
    border-bottom: 1px solid #dee2e6;
}

table tr:nth-child(even) {
    background: #f8f9fa;
}

table tr:hover {
    background: #e3f2fd;
}

.fecha-header {
    background: #DCE6F1 !important;
    font-weight: bold;
    color: #333;
}

.file-input {
    padding: 10px;
    border: 2px dashed #ccc;
    border-radius: 5px;
    text-align: center;
    margin-bottom: 10px;
    cursor: pointer;
}

.file-input:hover {
    border-color: #007bff;
    background: #f8f9fa;
}

.hidden {
    display: none;
}

/* ESTILOS DEL MODAL */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s ease-out;
}

.modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 0;
    border: none;
    border-radius: 15px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: slideIn 0.3s ease-out;
}

.modal-header {
    background: linear-gradient(135deg, #4CAF50, #45a049);
    color: white;
    padding: 20px;
    border-radius: 15px 15px 0 0;
    text-align: center;
    position: relative;
}

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

.close {
    position: absolute;
    right: 15px;
    top: 15px;
    color: white;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s;
}

.close:hover {
    color: #ffeb3b;
}

.modal-body {
    padding: 30px;
    text-align: center;
}

.modal-body p {
    margin-bottom: 30px;
    font-size: 16px;
    color: #555;
    line-height: 1.5;
}

.modal-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.modal-btn {
    padding: 15px 30px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    transition: all 0.3s;
    min-width: 180px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.modal-btn-filtros {
    background: linear-gradient(135deg, #28a745, #20c997);
    color: white;
}

.modal-btn-completo {
    background: linear-gradient(135deg, #007bff, #6610f2);
    color: white;
}

.modal-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.modal-btn-filtros:hover {
    background: linear-gradient(135deg, #218838, #1e7e34);
}

.modal-btn-completo:hover {
    background: linear-gradient(135deg, #0056b3, #5a0fc8);
}

.modal-btn-subtitle {
    font-size: 12px;
    opacity: 0.9;
    font-weight: normal;
}

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

.modal-header {
    background: linear-gradient(135deg, #ff6b6b, #ffa500);
    color: white;
    padding: 20px;
    border-radius: 10px 10px 0 0;
    position: relative;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.5em;
}

.close {
    color: white;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    right: 15px;
    top: 15px;
}

.close:hover {
    opacity: 0.7;
}

.modal-body {
    padding: 20px;
}

.vacios-practicante {
    background: #f8f9fa;
    border: 2px solid #dee2e6;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 20px;
}

.vacios-practicante h3 {
    color: #495057;
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 1.3em;
}

.resumen-horas {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 20px;
}

.horas-card {
    background: white;
    border: 1px solid #dee2e6;
    border-radius: 6px;
    padding: 15px;
    text-align: center;
}

.horas-consideradas {
    border-left: 4px solid #17a2b8;
}

.horas-reales {
    border-left: 4px solid #28a745;
}

.horas-card h4 {
    margin: 0 0 10px 0;
    font-size: 1.1em;
}

.horas-card .tiempo {
    font-size: 1.4em;
    font-weight: bold;
}

.horas-consideradas .tiempo {
    color: #17a2b8;
}

.horas-reales .tiempo {
    color: #28a745;
}

.vacios-lista {
    margin-top: 20px;
}

.vacios-lista h4 {
    color: #dc3545;
    margin-bottom: 10px;
}

.vacio-item {
    background: #fff5f5;
    border: 1px solid #fed7d7;
    border-radius: 6px;
    padding: 12px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.vacio-tiempos {
    display: flex;
    align-items: center;
    gap: 10px;
}

.vacio-tiempo {
    background: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-family: monospace;
    font-weight: bold;
}

.vacio-duracion {
    background: #dc3545;
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-weight: bold;
}

.flecha {
    color: #dc3545;
    font-weight: bold;
    font-size: 1.2em;
}

.warning-icon {
    transition: transform 0.2s ease;
}

.warning-icon:hover {
    transform: scale(1.2);
}

.pagination {
    text-align: center;
    margin: 30px 0 50px 0;
}

.pagination .btn {
    margin: 0 10px;
    padding: 8px 16px;
    background: #f0f0f0;
    border: 1px solid #ccc;
    text-decoration: none;
    color: #333;
    border-radius: 6px;
    font-weight: bold;
}

.pagina-indicador {
    margin: 0 10px;
    font-weight: bold;
}

.pagination form {
    display: inline-block;
}

.pagination input[type="number"] {
    padding: 4px;
    margin: 0 4px;
    border-radius: 4px;
    border: 1px solid #ccc;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@media (max-width: 768px) {
    .button-group, .search-section, .filter-row {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn, .search-input {
        width: 100%;
        justify-content: center;
    }

    .modal-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .modal-btn {
        width: 100%;
        max-width: 250px;
    }
    .modal-content {
        width: 95%;
        margin: 10% auto;
    }
    
    .resumen-horas {
        grid-template-columns: 1fr;
    }
    
    .vacio-item {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}

/* Estilos para la sección de fechas */
.scroll-fechas {
    /* Altura máxima para hacer scroll cuando hay muchas fechas */
    max-height: 200px;
    overflow-y: auto;
    
    /* Borde y padding para separar visualmente */
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px;
    background: var(--bg-container);
    
    /* Espacio entre checkboxes */
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Estilos para cada checkbox de fecha */
.scroll-fechas > div {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

/* Hover effect para mejor UX */
.scroll-fechas > div:hover {
    background-color: var(--bg-table-row-hover);
}

/* Estilos para los checkboxes */
.scroll-fechas input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

/* Estilos para las etiquetas de fecha */
.scroll-fechas label {
    cursor: pointer;
    font-size: 14px;
    color: var(--text-secondary);
    user-select: none;
    flex: 1;
}

/* Estado activo/seleccionado para fechas */
.scroll-fechas input[type="checkbox"]:checked + label {
    color: var(--text-primary);
    font-weight: 600;
}

/* Personalización del scrollbar */
.scroll-fechas::-webkit-scrollbar {
    width: 6px;
}

.scroll-fechas::-webkit-scrollbar-track {
    background: var(--bg-controls);
    border-radius: 3px;
}

.scroll-fechas::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.scroll-fechas::-webkit-scrollbar-thumb:hover {
    background: #999;
}

/* Responsive para móviles */
@media (max-width: 768px) {
    .scroll-fechas {
        max-height: 150px;
    }
    
    .scroll-fechas > div {
        padding: 8px;
    }
    
    .scroll-fechas label {
        font-size: 16px; /* Más grande para móvil */
    }
}

/* Indicador visual cuando no hay fechas seleccionadas */
.dates-section.no-selection .scroll-fechas {
    opacity: 0.6;
}

/* Estilo para el botón "Seleccionar Fechas" */
.dates-buttons button.active {
    background: #007bff;
    color: white;
    box-shadow: 0 2px 4px rgba(0, 123, 255, 0.3);
}

/* CSS ADICIONAL PARA EL SELECTOR DE FECHAS MEJORADO */

/* Contenedor de controles superiores */
.dates-controls {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 15px;
    padding: 12px;
    background: var(--bg-controls);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

/* Contenedor del buscador */
.search-container {
    flex: 1;
    min-width: 200px;
}

/* Input de búsqueda */
.search-container input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    background: var(--bg-container);
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.search-container input:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.2);
}

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

/* Ajuste para los botones de fechas en el contenedor de controles */
.dates-controls .dates-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.dates-controls .dates-buttons button {
    padding: 8px 12px;
    border: 1px solid #007bff;
    background: var(--bg-container);
    color: #007bff;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.dates-controls .dates-buttons button:hover {
    background: #007bff;
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 123, 255, 0.3);
}

/* Resumen de selección */
.selected-summary {
    background: var(--bg-container);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 12px;
    margin-bottom: 10px;
    font-size: 14px;
    color: var(--text-secondary);
}

.selected-summary strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Vista previa de fechas seleccionadas */
.selected-dates-preview {
    margin-top: 8px;
    padding: 8px;
    background: var(--bg-controls);
    border-radius: 4px;
    font-size: 13px;
    color: var(--text-light);
    font-family: monospace;
    max-height: 60px;
    overflow-y: auto;
}

/* Estado colapsado de la lista de fechas */
.scroll-fechas.collapsed {
    display: none;
}

/* Animación suave para mostrar/ocultar */
.scroll-fechas {
    transition: all 0.3s ease;
    opacity: 1;
    transform: translateY(0);
}

.scroll-fechas.collapsed {
    opacity: 0;
    transform: translateY(-10px);
    max-height: 0;
    padding: 0;
    margin: 0;
    overflow: hidden;
}

/* Mejoras para los items de fecha individuales */
.fecha-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: 5px;
    transition: all 0.2s ease;
    background: transparent;
}

.fecha-item:hover {
    background-color: var(--bg-table-row-hover);
    transform: translateX(2px);
}

/* Estado seleccionado para items de fecha */
.fecha-item:has(input:checked) {
    background-color: rgba(0, 123, 255, 0.1);
    border-left: 3px solid #007bff;
}

.fecha-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: #007bff;
}

.fecha-item label {
    cursor: pointer;
    font-size: 14px;
    color: var(--text-secondary);
    user-select: none;
    flex: 1;
    transition: color 0.2s ease;
}

.fecha-item input[type="checkbox"]:checked + label {
    color: var(--text-primary);
    font-weight: 600;
}

/* Contador en el botón toggle */
#selectedCount {
    background: #007bff;
    color: white;
    padding: 2px 6px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: bold;
    min-width: 20px;
    text-align: center;
}

/* Estados de botones dinámicos */
.dates-controls button.select-all-active {
    background: #28a745;
    border-color: #28a745;
    color: white;
}

.dates-controls button.clear-active {
    background: #dc3545;
    border-color: #dc3545;
    color: white;
}

/* Responsive para móviles */
@media (max-width: 768px) {
    .dates-controls {
        padding: 10px;
    }
    
    .dates-controls .dates-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .dates-controls .dates-buttons button {
        width: 100%;
        justify-content: center;
        padding: 10px;
        font-size: 14px;
    }
    
    .search-container {
        min-width: unset;
    }
    
    .selected-summary {
        padding: 10px;
        font-size: 13px;
    }
    
    .selected-dates-preview {
        font-size: 12px;
        padding: 6px;
    }
    
    .fecha-item {
        padding: 10px;
    }
    
    .fecha-item label {
        font-size: 15px;
    }
    
    .fecha-item input[type="checkbox"] {
        width: 20px;
        height: 20px;
    }
}

/* Mejoras para modo oscuro */
[data-theme="dark"] .search-container input {
    background: var(--bg-container);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .dates-controls .dates-buttons button {
    background: var(--bg-container);
    border-color: #0d6efd;
    color: #0d6efd;
}

[data-theme="dark"] .dates-controls .dates-buttons button:hover {
    background: #0d6efd;
    color: white;
}

[data-theme="dark"] .fecha-item:has(input:checked) {
    background-color: rgba(13, 110, 253, 0.2);
    border-left-color: #0d6efd;
}

[data-theme="dark"] #selectedCount {
    background: #0d6efd;
}

/* Animación para el contador */
#selectedCount {
    transition: all 0.2s ease;
}

#selectedCount:not(:empty) {
    animation: pulse 0.3s ease;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

/* Estado sin fechas disponibles */
.scroll-fechas:empty::before {
    content: "No hay fechas disponibles";
    display: block;
    text-align: center;
    color: var(--text-light);
    font-style: italic;
    padding: 20px;
}

/* Estado de búsqueda sin resultados */
.scroll-fechas.no-results::after {
    content: "No se encontraron fechas que coincidan con la búsqueda";
    display: block;
    text-align: center;
    color: var(--text-light);
    font-style: italic;
    padding: 20px;
    border-top: 1px solid var(--border-color);
    margin-top: 10px;
}

/* CSS mínimo necesario para el funcionamiento del autocompletado */
.autocomplete-container {
    position: relative;
    display: inline-block;
}

.autocomplete-items {
    position: absolute;
    border: 1px solid #d4edda;
    border-bottom: none;
    border-top: none;
    z-index: 99;
    top: 100%;
    left: 0;
    right: 0;
    background-color: white;
    max-height: 200px;
    overflow-y: auto;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.autocomplete-item {
    padding: 10px;
    cursor: pointer;
    background-color: #fff;
    border-bottom: 1px solid #d4edda;
}

.autocomplete-item:hover {
    background-color: #f8f9fa;
}

.autocomplete-active {
    background-color: #28a745 !important;
    color: #ffffff;
}

.autocomplete-item strong {
    font-weight: bold;
}