.fixed-buttons {
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
    display: flex;
    gap: 10px;
    padding: 12px;
    background: #ffffff;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.12);
    z-index: 99999;
    box-sizing: border-box;
}

.fixed-buttons button {
    flex: 1;
    height: 52px;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all .3s ease;
}

.add-to-cart {
    background: #f5f5f5;
    color: #222;
    border: 2px solid #e5e5e5;
}

.add-to-cart:hover {
    background: #ebebeb;
    transform: translateY(-1px);
}

.buy-now {
    background: linear-gradient(135deg, #ff6b00, #ff3d00);
    color: #fff;
}

.buy-now:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 6px 15px rgba(255, 85, 0, .35);
}

.buy-now:disabled {
    background: #d8d8d8;
    color: #888;
    cursor: not-allowed;
    box-shadow: none;
}

body.single-product {
    padding-bottom: 90px;
}

@media (max-width: 768px) {

    .fixed-buttons {
        padding: 10px;
        gap: 8px;
    }

    .fixed-buttons button {
        height: 50px;
        font-size: 14px;
        border-radius: 10px;
    }
}

@media (max-width: 480px) {

    .fixed-buttons {
        padding: 8px;
        gap: 6px;
    }

    .fixed-buttons button {
        height: 48px;
        font-size: 13px;
    }
}