/* Tablets y pantallas medianas */
@media (max-width: 1200px) {
    .main-content {
        grid-template-columns: 350px 1fr;
    }
    
    header h1 {
        font-size: 2em;
    }
}

@media (max-width: 992px) {
    .main-content {
        grid-template-columns: 1fr;
    }
    
    .panel-izquierdo {
        order: 2;
    }
    
    .panel-derecho {
        order: 1;
    }
    
    #canvas3d,
    #canvasCorteAA,
    #canvasCorteBB,
    #canvasPlanta {
        height: 400px;
    }
}

/* Móviles */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    header {
        padding: 20px;
    }
    
    header h1 {
        font-size: 1.5em;
    }
    
    .subtitle {
        font-size: 0.9em;
    }
    
    .card {
        padding: 15px;
    }
    
    .card h2 {
        font-size: 1.2em;
    }
    
    #canvas3d,
    #canvasCorteAA,
    #canvasCorteBB,
    #canvasPlanta {
        height: 300px;
    }
    
    .tabs {
        flex-direction: column;
    }
    
    .tab-btn {
        width: 100%;
    }
    
    .resultado-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    .controles-3d {
        flex-direction: column;
    }
    
    .controles-3d button {
        width: 100%;
    }
    
    .form-group-inline {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.3em;
    }
    
    .card {
        padding: 12px;
    }
    
    .btn-calcular,
    .btn-exportar {
        padding: 12px;
        font-size: 1em;
    }
    
    #canvas3d,
    #canvasCorteAA,
    #canvasCorteBB,
    #canvasPlanta {
        height: 250px;
    }
}

/* Orientación horizontal en móviles */
@media (max-width: 768px) and (orientation: landscape) {
    #canvas3d,
    #canvasCorteAA,
    #canvasCorteBB,
    #canvasPlanta {
        height: 350px;
    }
}

/* Impresión */
@media print {
    body {
        background: white;
        padding: 0;
    }
    
    .panel-izquierdo {
        display: none;
    }
    
    .btn-calcular,
    .btn-exportar,
    .controles-3d {
        display: none;
    }
    
    .card {
        break-inside: avoid;
        page-break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* Dark mode (opcional) */
@media (prefers-color-scheme: dark) {
    /* Descomenta si quieres modo oscuro automático
    :root {
        --card-bg: #2d2d2d;
        --text-primary: #e0e0e0;
        --text-secondary: #b0b0b0;
        --border-color: #444;
    }
    
    body {
        background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    }
    
    .form-group input[type="number"],
    .form-group select {
        background: #3d3d3d;
        color: white;
        border-color: #555;
    }
    
    #canvas3d {
        background: linear-gradient(to bottom, #1a3a52 0%, #0f2537 100%);
    }
    */
}