/* Estilos generales */
body {
    font-family: 'Calibri', Arial, sans-serif;
    background-color: #F6F6F6;
    margin: 0;
    padding: 0;
    color: #333;
}

header {
    background-color: white;
    padding: 15px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    height: 50px;
}

.btn {
    background-color: #51B8AC;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #3fa89c;
}

.btn-especial {
    background-color: #0E544C;
}

.btn-especial:hover {
    background-color: #0c473f;
}

/* Estilos para login */
.login-container {
    max-width: 400px;
    margin: 50px auto;
    padding: 30px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
    text-align: center;
}

.login-container input {
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: 5px;
    box-sizing: border-box;
}

.error {
    color: red;
    margin-top: 10px;
}

/* Estilos para ventas */
.ventas-container {
    display: flex;
    flex-wrap: wrap;
    padding: 20px;
    gap: 20px;
}

.productos-grid {
    flex: 1;
    min-width: 300px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
}

.producto-card {
    background: white;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    text-align: center;
    cursor: pointer;
    transition: transform 0.2s;
}

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

.pedido-container {
    flex: 1;
    min-width: 300px;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

/* Estilos responsivos */
@media (max-width: 768px) {
    .ventas-container {
        flex-direction: column;
    }
    
    .productos-grid, .pedido-container {
        width: 100%;
    }
}

/* Más estilos para tablas, formularios, etc. */