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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
}

header {
    background-color: #2c3e50;
    color: white;
    padding: 20px;
    text-align: center;
}

header h1 {
    margin-bottom: 10px;
}

.carrito-info {
    text-align: right;
    padding: 10px 20px;
    background-color: #34495e;
    color: white;
    font-size: 14px;
}

.container {
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 20px;
}

.productos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.producto {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.producto:hover {
    transform: translateY(-5px);
}

.producto-imagen {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
}

.producto-info {
    padding: 15px;
}

.producto-nombre {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 8px;
}

.producto-precio {
    font-size: 24px;
    color: #27ae60;
    font-weight: bold;
    margin-bottom: 10px;
}

.producto-desc {
    font-size: 14px;
    color: #7f8c8d;
    margin-bottom: 12px;
}

.btn-agregar {
    width: 100%;
    padding: 10px;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    font-weight: bold;
    transition: background-color 0.3s;
}

.btn-agregar:hover {
    background-color: #2980b9;
}

.carrito-section {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.carrito-section h2 {
    margin-bottom: 15px;
    color: #2c3e50;
}

.carrito-vacio {
    text-align: center;
    padding: 30px;
    color: #7f8c8d;
}

.carrito-items {
    margin-bottom: 20px;
}

.item-carrito {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #ecf0f1;
}

.item-carrito:last-child {
    border-bottom: none;
}

.item-nombre {
    font-weight: bold;
}

.item-cantidad {
    color: #7f8c8d;
}

.item-precio {
    color: #27ae60;
    font-weight: bold;
}

.btn-eliminar {
    background-color: #e74c3c;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
}

.btn-eliminar:hover {
    background-color: #c0392b;
}

.carrito-total {
    border-top: 2px solid #2c3e50;
    padding-top: 15px;
    font-size: 20px;
    font-weight: bold;
    text-align: right;
    margin-top: 15px;
    color: #2c3e50;
}

.btn-comprar {
    width: 100%;
    padding: 15px;
    background-color: #27ae60;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    margin-top: 15px;
    transition: background-color 0.3s;
}

.btn-comprar:hover {
    background-color: #229954;
}

.btn-comprar:disabled {
    background-color: #bdc3c7;
    cursor: not-allowed;
}

.filtro {
    margin-bottom: 20px;
    display: flex;
    gap: 10px;
}

.filtro button {
    padding: 8px 15px;
    background-color: #ecf0f1;
    border: 2px solid #bdc3c7;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s;
}

.filtro button.activo {
    background-color: #3498db;
    color: white;
    border-color: #3498db;
}