body {
    font-family: Arial, sans-serif;
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
    position: relative;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: all 0.3s ease;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.info-btn {
    background-color: #007bff;
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    font-weight: bold;
    font-size: 16px;
}

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

.modal-content {
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 5% auto;
    padding: 25px;
    border-radius: 12px;
    max-width: 800px;
    position: relative;
    width: 90%;
}

.modal-scroll {
    max-height: 70vh;
    overflow-y: auto;
    padding-right: 15px;
}

.close-btn {
    position: absolute;
    right: 25px;
    top: -2px;
    font-size: 28px;
    cursor: pointer;
    color: var(--text-color);
    opacity: 0.7;
    transition: opacity 0.3s;
    z-index: 10;
}

.close-btn:hover {
    opacity: 1;
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
}

input {
    width: 100%;
    padding: 8px;
    margin-bottom: 10px;
    box-sizing: border-box;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--input-bg);
    color: var(--text-color);
}

button.calcular-btn {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
    font-size: 16px;
}

button.calcular-btn:hover {
    background-color: #45a049;
}

#resultados {
    margin-top: 20px;
    padding: 20px;
    background-color: var(--results-bg);
    border-radius: 8px;
    border: 2px solid var(--results-border);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: none;
}

#resultados h3 {
    color: var(--highlight-color);
    margin-bottom: 15px;
    font-size: 1.3em;
    border-bottom: 2px solid var(--results-border);
    padding-bottom: 10px;
}

.desglose {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.desglose p {
    margin: 12px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.desglose p:last-child {
    border-bottom: none;
}

.desglose span {
    color: var(--value-color);
    font-weight: bold;
    font-size: 1.1em;
}

/* Efecto hover para los resultados */
.desglose p:hover {
    background-color: var(--results-bg);
    border-radius: 4px;
    padding: 8px;
    margin: 4px -8px;
    transition: all 0.3s ease;
}

/* Variables para temas */
:root[data-theme="light"] {
    --bg-color: #ffffff;
    --text-color: #333333;
    --input-bg: #ffffff;
    --card-bg: #f8f9fa;
    --border-color: #ddd;
    --results-bg: #f0f0f0;
    --results-border: #e0e0e0;
    --highlight-color: #4CAF50;
    --value-color: #2196F3;
}

:root[data-theme="dark"] {
    --bg-color: #1a1a1a;
    --text-color: #ffffff;
    --input-bg: #333333;
    --card-bg: #2d2d2d;
    --border-color: #444;
    --results-bg: #363636;
    --results-border: #4a4a4a;
    --highlight-color: #6FCF97;
    --value-color: #64B5F6;
}

.header-controls {
    display: flex;
    gap: 10px;
    align-items: center;
}

.theme-toggle {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    width: 35px;
    height: 35px;
}

.currency-select {
    padding: 5px;
    border-radius: 4px;
    background-color: var(--input-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.costos-section {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.costos-section h2 {
    color: var(--text-color);
    font-size: 1.2em;
    margin-top: 20px;
    margin-bottom: 15px;
}

/* Estilos responsive */
@media (max-width: 768px) {
    body {
        padding: 15px;
        margin: 10px;
    }

    .modal-content {
        margin: 10% auto;
        padding: 20px;
        width: 95%;
    }

    .header-controls {
        flex-wrap: wrap;
        justify-content: flex-end;
    }
    
    .currency-select {
        font-size: 14px;
    }

    #resultados {
        padding: 15px;
    }

    .desglose p {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }

    .desglose span {
        align-self: flex-end;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 24px;
    }

    .modal-content {
        margin: 5% auto;
    }
}

/* Estilos para las secciones de información */
.info-section {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

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

.info-section h2 {
    color: var(--highlight-color);
    margin-bottom: 15px;
    font-size: 1.8em;
}

.info-section h3 {
    color: var(--value-color);
    margin-bottom: 15px;
    font-size: 1.4em;
}

.info-intro {
    font-size: 1.1em;
    line-height: 1.6;
    margin-bottom: 20px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 15px;
}

.info-item {
    background-color: var(--card-bg);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.info-item h4 {
    color: var(--highlight-color);
    margin-bottom: 10px;
}

.steps-list {
    padding-left: 20px;
}

.steps-list li {
    margin-bottom: 10px;
    line-height: 1.4;
}

.feature-list li {
    margin-bottom: 12px;
    padding-left: 20px;
    position: relative;
}

.feature-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--highlight-color);
}

/* Estilo para el scroll del modal */
.modal-content::-webkit-scrollbar {
    width: 8px;
}

.modal-content::-webkit-scrollbar-track {
    background: var(--bg-color);
}

.modal-content::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

.modal-content::-webkit-scrollbar-thumb:hover {
    background: #666;
}

/* Estilos actualizados para los gráficos */
.graficos-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 30px;
    width: 100%;
}

.grafico-item {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.canvas-container {
    position: relative;
    width: 100%;
    height: 300px;
    margin-top: 15px;
}

.grafico-item canvas {
    width: 100% !important;
    height: 100% !important;
}

.grafico-item h4 {
    color: var(--highlight-color);
    margin-bottom: 15px;
    text-align: center;
}

/* Ajuste responsive para gráficos */
@media (max-width: 768px) {
    .graficos-container {
        grid-template-columns: 1fr;
    }
    
    .canvas-container {
        height: 250px;
    }
}

/* Estilos para la sección de productos guardados */
.productos-guardados {
    margin-top: 30px;
    padding: 20px;
    background-color: var(--card-bg);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.productos-lista {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

.producto-card {
    background-color: var(--results-bg);
    padding: 15px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.producto-info h4 {
    color: var(--highlight-color);
    margin-bottom: 10px;
}

.producto-info p {
    margin: 5px 0;
    font-size: 0.9em;
}

.producto-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.btn-cargar, .btn-eliminar {
    padding: 8px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9em;
    transition: background-color 0.3s;
}

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

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

.btn-cargar:hover, .btn-eliminar:hover {
    opacity: 0.9;
}

.no-productos {
    text-align: center;
    color: var(--text-color);
    opacity: 0.7;
    padding: 20px;
}

@media (max-width: 768px) {
    .productos-lista {
        grid-template-columns: 1fr;
    }
}

/* Botones de acción */
.action-buttons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.action-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.3s;
}

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

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

/* Responsive */
@media (max-width: 768px) {
    .graficos-container {
        grid-template-columns: 1fr;
    }
    
    .action-buttons {
        flex-direction: column;
    }
}